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Incident
Sergeant Gemmill was killed when his patrol car was struck by a train at the North Union Avenue crossing while responding to a suspicious person call. Sergeant Gemmill's partner was seriously injured in the accident but eventually returned to duty. Sergeant Gemmill had served with the Alliance Police Department for 2 years and had been responsible for starting the city school's student crossing guard program.
Survivors
He was survived by his children.
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
I never knew you. I am standing here anyway.
Sergeant Gemmill gave the Alliance Police Department 2 years.
Thank you for your service to the Alliance community. Gone but never to be forgotten.
Rest easy, Sergeant Gemmill.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
The Sacrifice · Accident
Alliance Police Department has lost 2 officers; 2 of them lost to accidents.
David is one of 319 officers lost to accidents in OH, 32.1% of the 993 remembered there.
David is one of 8,276 officers lost to accidents in the United States, 30% of the 27,551 remembered there.
David is one of 10,096 officers lost to accidents worldwide, 29.6% of the 34,102 remembered here.
34,102 officers are remembered on this memorial. Each number below is one of them.
Time
In 1929, 5 officers in OH were lost to accidents, the 11th heaviest of 125 years on record. The heaviest was 1925, with 8.
In 1929, 118 officers in the United States were lost to accidents, more than in any other year.
In 1929, 130 officers worldwide were lost to accidents, the 2nd heaviest of 200 years on record. The heaviest was 1930, with 131.
Who
David was 40. Of the 310 lost to accidents in OH whose age is recorded, half were between 29 and 46; the middle age was 37. David had served 2 years; the middle length of service was 6 years.
David was 40. Of the 7,718 lost to accidents in the United States whose age is recorded, half were between 29 and 46; the middle age was 36. David had served 2 years; the middle length of service was 6 years.
David was 40. Of the 9,452 lost to accidents worldwide whose age is recorded, half were between 29 and 45; the middle age was 36. David had served 2 years; the middle length of service was 6 years.
When
February holds 6.3% of these deaths in OH; July holds the most, 12.2%. Mondays: 16.6%.
February holds 7.2% of these deaths in the United States; August holds the most, 9.4%. Mondays: 13.4%.
February holds 7.2% of these deaths worldwide; August holds the most, 9.3%. Mondays: 13.5%.
How
Accident deaths account for 100% of all 2 deaths at Alliance Police Department.
Accident deaths account for 32.1% of all 993 deaths in OH, the 2nd most common cause.
Accident deaths account for 30% of all 27,551 deaths in the United States, the 2nd most common cause.
Accident deaths account for 29.6% of all 34,102 deaths worldwide, the 2nd most common cause.
His people
Alliance Police Department has 2 officers remembered here, David among them.
Where
Where the Name Is Cut
National Law Enforcement Officers Memorial · Panel 7-W
What is kept
Photographs, film, sound and papers — what survived a life.
Others Who Wore This Badge
1 officer from Alliance Police Department are honored on badge.nw.
