Incident
Police Officer Thomas Gesiorski suffered a fatal heart attack after responding to a shots fired call.
Upon arriving at the scene, he and his partner carried the shooting victim down three flights of stairs and then transported him to St. Bernard Hospital in their patrol wagon. Officer Gesiorski collapsed inside the hospital's emergency room.
Officer Gesiorski had served with the Chicago Police Department for 21 years. He was a widower and was survived by two sons. One of his sons also served as a Chicago police officer.
Survivors
He was a widower and was survived by two sons.
In Our Keeping
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- Maintained by NeuraWeb Global Inc.
- Added to badge.nw
- August 2, 2026
- Last updated
- August 2, 2026
Honored here by 1 tribute.
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Tributes
21 years. You could have gone home.
Police Officer Gesiorski gave the Chicago Police Department 21 years. Still answering calls at the end.
Thank you for your service to the Chicago community. Gone but never to be forgotten.
Rest easy, Police Officer Gesiorski.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Military Service
Thomas Raymond Gesiorski served in the the United States military (1944â1946) before joining law enforcement.
The Sacrifice · Cardiac
Chicago Police Department has lost 571 officers; 17 of them lost to cardiac events.
Thomas is one of 45 officers lost to cardiac events in IL, 3.4% of the 1,318 remembered there.
Thomas is one of 1,307 officers lost to cardiac events in the United States, 4.7% of the 27,552 remembered there.
Thomas is one of 1,309 officers lost to cardiac events worldwide, 3.8% of the 34,103 remembered here.
34,103 officers are remembered on this memorial. Each number below is one of them.
Time
In 1977, 2 officers at Chicago Police Department were lost to cardiac events, more than in any other year.
In 1977, 3 officers in IL were lost to cardiac events, more than in any other year.
In 1977, 10 officers in the United States were lost to cardiac events, the 61st heaviest of 139 years on record. The heaviest was 2014, with 24.
In 1977, 10 officers worldwide were lost to cardiac events, the 61st heaviest of 139 years on record. The heaviest was 2014, with 24.
Who
Thomas was 52. Of the 17 lost to cardiac events at Chicago Police Department whose age is recorded, half were between 43 and 54; the middle age was 46. Thomas had served 21 years; the middle length of service was 21 years.
Thomas was 52. Of the 45 lost to cardiac events in IL whose age is recorded, half were between 43 and 54; the middle age was 51. Thomas had served 21 years; the middle length of service was 20 years.
Thomas was 52. Of the 1,249 lost to cardiac events in the United States whose age is recorded, half were between 43 and 55; the middle age was 48. Thomas had served 21 years; the middle length of service was 15 years.
Thomas was 52. Of the 1,251 lost to cardiac events worldwide whose age is recorded, half were between 42.5 and 55; the middle age was 48. Thomas had served 21 years; the middle length of service was 15 years.
When
December holds 11.8% of these deaths at Chicago Police Department; March holds the most, 23.5%. Mondays: 5.9%.
December holds 6.7% of these deaths in IL; March holds the most, 15.6%. Mondays: 8.9%.
December holds 8.5% of these deaths in the United States; January holds the most, 9.6%. Mondays: 12.9%.
December holds 8.5% of these deaths worldwide; January holds the most, 9.5%. Mondays: 13%.
How
Cardiac deaths account for 3% of all 571 deaths at Chicago Police Department, the 4th most common cause.
Cardiac deaths account for 3.4% of all 1,318 deaths in IL, the 4th most common cause.
Cardiac deaths account for 4.7% of all 27,552 deaths in the United States, the 4th most common cause.
Cardiac deaths account for 3.8% of all 34,103 deaths worldwide, the 4th most common cause.
His people
Chicago Police Department has at least 120 officers remembered here, Thomas among them.
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James Quinn Dec 5, 1853
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Casper Lauer
Sep 18, 1854
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John C. Churchwood Mar 25, 1864
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Niels L. Hansen Feb 18, 1871
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Patrick O'Meara
Aug 5, 1872
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Christian Jacobs Aug 18, 1873
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S. Wellington McArthur Jun 29, 1877
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Gilbert E. Reynolds
Dec 5, 1877
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Albert Race Oct 4, 1878
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Timothy Mahoney Jun 12, 1881
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Patrick M. O'Brien
Aug 3, 1881
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Daniel Crowley Aug 4, 1881
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John Huebner Feb 4, 1882
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Clarence E. Wright Nov 29, 1882
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Cornelius Barrett May 31, 1885
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Michael W. O'Brien Nov 11, 1885
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Mathias J. Degan
May 4, 1886
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John J. Barrett
May 6, 1886
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George F. Miller
May 6, 1886
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Timothy Flavin
May 8, 1886
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Michael Sheehan
May 9, 1886
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Thomas Redden
May 17, 1886
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Nels Hansen
Jun 14, 1886
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Michael O'Brien
Apr 3, 1887
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William S. Hallaran Jul 16, 1887
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Philip L. Robinson Sep 5, 1887
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John Keegan Nov 4, 1887
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Timothy O'Sullivan
Jun 13, 1888
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Adam W. Fryer
Aug 9, 1889
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James McDowell
Oct 3, 1889
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William F. Ellfeldt May 12, 1890
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Frank Williams
Mar 27, 1891
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George Schlinger
Oct 10, 1891
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William H. Schnell Jan 2, 1892
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Jasper H. Cole Feb 10, 1892
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John Powell, Jr. Sep 6, 1892
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Henry L. McDowell Sep 7, 1892
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Stillman A. Danforth Jun 8, 1893
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Edward J. Carney Dec 8, 1893
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John J. Dempsey Jul 14, 1894
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William Feeley Jul 31, 1894
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Andrew Matthias Hauswirth
Sep 30, 1894
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William Sleeth Oct 9, 1894
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George Krum Nov 1, 1894
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Edward Duddles
Jan 3, 1895
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John Monahan Jan 27, 1895
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John L. V. Blomberg Nov 7, 1895
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Patrick Fenton
Feb 27, 1898
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Bernard A. Kuebler
Oct 10, 1898
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Bartholomew Cavanaugh
Dec 15, 1898
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Edward J. Wallner Jan 5, 1899
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John F. McDermott
Apr 11, 1900
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Timothy S. O'Connell May 3, 1900
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William F. Messenger
Apr 25, 1901
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Patrick Duffy
May 1, 1902
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Timothy T. Devine
Aug 12, 1902
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Charles Pennell
Aug 12, 1902
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Michael J. O'Rourke Oct 24, 1903
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John Quinn
Nov 22, 1903
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Joseph D. Driscoll
Dec 1, 1903
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Dennis C. Fitzgerald Jan 20, 1904
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Michael Shaughnessy
May 22, 1904
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James J. Keefe
Jan 5, 1905
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Richard F. Cummings
May 1, 1905
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Patrick E. Blackwell May 20, 1905
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John P. Shine
Oct 10, 1905
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Luke John Fitzpatrick
Nov 19, 1906
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Edward M. Smith
Aug 5, 1907
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Robert W. McAneney
Nov 16, 1907
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Michael D. Callahan
Jan 4, 1908
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William Richard Mooney
Jan 4, 1908
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Edward C. J. Hennessey
Oct 16, 1908
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William J. Russell Jun 12, 1909
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Henry George Schnable
Jul 1, 1909
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John Patrick Kearney, Sr.
Jul 2, 1909
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John Wren Mar 5, 1910
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Patrick Melia
Apr 27, 1910
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Edward G. Shea Aug 16, 1910
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Jesse C. Gilman
Dec 24, 1910
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Thomas E. Tighe
Mar 11, 1911
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Patrick Fogarty
Jul 2, 1911
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Thomas Schweig
Jul 15, 1911
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Michael King May 20, 1912
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Charles T. Jones
Nov 10, 1912
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Peter M. Hart
Jan 20, 1913
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Andrew Gartley Jun 1, 1914
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Stanley J. Birns
Jul 16, 1914
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John Rowe
Aug 6, 1914
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George H. Trumbull Aug 17, 1914
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John J. Prendergast Aug 30, 1914
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Frank Dealy
Oct 5, 1914
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William J. Rosenstreter
Nov 6, 1914
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Austin L. Fitch
Nov 24, 1914
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John B. Sausman
Jan 5, 1915
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James F. Mitchell
Nov 15, 1915
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John C. Burke
Dec 16, 1915
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Bror A. Johnson
Jan 21, 1916
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Stuart N. Dean
Jul 18, 1916
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John L. Bialk
Sep 21, 1916
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Gilbert F. Coyne Oct 5, 1916
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John Francis Kenny
Nov 23, 1916
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Bruno H. Frederick
Dec 6, 1916
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Edward J. Mulvihill
Dec 18, 1916
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Charles C. Larsen
May 13, 1917
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Peter R. Bulfin
Jul 13, 1917
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Martin J. Corcoran
Aug 13, 1917
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Joseph P. Tiernan Aug 24, 1917
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Joseph A. O'Connor Nov 4, 1917
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Joseph H. Urban Dec 6, 1917
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Michael J. McGough
Dec 7, 1917
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George Clausen
Apr 13, 1918
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James F. Looney
May 1, 1918
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Peter H. Ostiller
Jun 12, 1918
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Glenn Tenbrook Whallon Sep 30, 1918
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Rudolph John Tuerk
Oct 1, 1918
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Edward James Madden Oct 3, 1918
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Walter John Bermingham Oct 3, 1918
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Andrew Joseph Sullivan Oct 8, 1918
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Cornelius Albert Cominskey Oct 10, 1918
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Daniel Coughlin Oct 17, 1918
Where
Military Service
Thomas Raymond Gesiorski served in the United States military (1944–1946) before joining law enforcement.
Visit Thomas Raymond Gesiorski’s page on salute.nw →
His full service record — units, decorations, where he served — is kept on salute.nw.
Where the Name Is Cut
National Law Enforcement Officers Memorial · Panel 61-W
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