Incident
Collapsed and died on duty at Thornhill Lees Police Station.
Collapsed and died while on duty at Thornhill Lees Police Station.
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- August 2, 2026
- Last updated
- August 2, 2026
Honored here by 1 tribute.
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Tributes
128 years is a long time for a name to go unread. Not today.
Sergeant Cason served with the West Riding of Yorkshire Constabulary.
Thank you for your service. Gone but never to be forgotten.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
The Sacrifice · Illness
West Riding of Yorkshire Constabulary has lost 32 officers; 10 of them lost to illness.
Jonathon is one of 704 officers lost to illness in ENG, 25.3% of the 2,786 remembered there.
Jonathon is one of 884 officers lost to illness in United Kingdom, 23.3% of the 3,791 remembered there.
Jonathon is one of 2,979 officers lost to illness worldwide, 8.7% of the 34,103 remembered here.
34,103 officers are remembered on this memorial. Each number below is one of them.
Time
In 1898, 1 officer at West Riding of Yorkshire Constabulary was lost to illness, more than in any other year.
In 1898, 4 officers in ENG were lost to illness, the 59th heaviest of 181 years on record. The heaviest was 1915, with 16.
In 1898, 4 officers in United Kingdom were lost to illness, the 83rd heaviest of 185 years on record. The heaviest was 1915, with 18.
In 1898, 8 officers worldwide were lost to illness, the 60th heaviest of 197 years on record. The heaviest was 2021, with 566.
Who
Jonathon was 46. Of the 10 lost to illness at West Riding of Yorkshire Constabulary whose age is recorded, half were between 46 and 50.8; the middle age was 48.
Jonathon was 46. Of the 687 lost to illness in ENG whose age is recorded, half were between 35 and 49; the middle age was 43.
Jonathon was 46. Of the 858 lost to illness in United Kingdom whose age is recorded, half were between 36 and 50; the middle age was 43.
Jonathon was 46. Of the 2,916 lost to illness worldwide whose age is recorded, half were between 39 and 56; the middle age was 49.
When
June holds 40% of these deaths at West Riding of Yorkshire Constabulary, more than any other month. Wednesdays: 10%.
June holds 9.2% of these deaths in ENG; January holds the most, 10.5%. Wednesdays: 12.9%.
June holds 8.8% of these deaths in United Kingdom; January holds the most, 10.3%. Wednesdays: 12.9%.
June holds 6.1% of these deaths worldwide; October holds the most, 12.6%. Wednesdays: 13.6%.
How
Illness deaths account for 31.3% of all 32 deaths at West Riding of Yorkshire Constabulary, the 2nd most common cause.
Illness deaths account for 25.3% of all 2,786 deaths in ENG, the 2nd most common cause.
Illness deaths account for 23.3% of all 3,791 deaths in United Kingdom, the 3rd most common cause.
Illness deaths account for 8.7% of all 34,103 deaths worldwide, the 3rd most common cause.
His people
West Riding of Yorkshire Constabulary has 32 officers remembered here, Jonathon among them.
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William Hargraves Mar 9, 1869
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William Peet Dec 9, 1877
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William Batley Dec 25, 1877
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Stephen Rains Jun 23, 1878
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Alfred Austwick Aug 1, 1886
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Thomas Birkill Nov 24, 1887
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Henry Norwood Nov 5, 1888
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James Sanderson Jul 24, 1889
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Joseph Parker C Winpenny Dec 4, 1895
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Jonathon Cason Jun 15, 1898
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Francis James Emslie Feb 19, 1899
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Lot Moor Jun 16, 1900
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John William Kew
Jul 11, 1900
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John Wrangham Sep 19, 1916
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William Holyland Sep 6, 1925
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Albert Andrews Feb 20, 1928
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William Arnold Jan 19, 1930
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Moses Butler Jan 21, 1931
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William Sidgwick Slack Sep 6, 1933
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Joseph Victor Plant Jan 1, 1944
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Thomas M Akrill Jan 19, 1945
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Naylor Whitaker Aug 15, 1949
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Duncan Alexander Fraser
Jul 15, 1951
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Arthur Gordon Jagger
Jul 16, 1951
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George William Watson Nov 5, 1953
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Ben Whiteley Jun 14, 1954
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Charles John Skevington Jul 19, 1955
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William Edward Critchley Jun 8, 1957
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William McKim Feb 3, 1959
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John Rowe Jan 29, 1964
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Gerald Edward Donnelly May 8, 1966
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Sidney Griffiths Nov 1, 1967
Where the Name Is Cut
Others Who Wore This Badge
31 officers from West Riding of Yorkshire Constabulary are honored on badge.nw. Showing the 16 most recent.

