According to the 1851 Census, he was born Norwich c.1816.
Enlisted at London on the 4th of May 1837.
No other enlistment details are shown.
1851 Census
Pockthorpe Cavalry Barracks, Norwich.
William Bunn, soldier, unmarried, 35, Private, born Norwich
"In cells", 20th-22nd of December 1854.
Absent, 18th-19th of February, and "in cells", 21st-22nd of February 1855.
Sent to Exeter on the 13th of March 1855.
Joined the regiment in the Crimea on the 29th of May 1855.
Invalided to England on the 16th of April 1855.
Sent on "sick furlo" to Chichester on the 1st of June 1855.
Died there on the 26th of June 1855.
Entitled to the Crimean medal with clasp for Sebastopol, and the Turkish medal.
Invalided to England on the 16th of April 1855.
Sent on "sick furlo" to Chichester on the 1st of June 1855.
Died there on the 26th of June 1855.
No information about burial.
Additional Census information for 1851 kindly provided by Chris Poole.