(1828 - 1895)
Home State: New York
Command Billet: Company commander
Branch of Service: Infantry
Unit: 105th New York Infantry
Before Antietam
He was appointed 1st Lieutenant, Company A of the 104th NY Infantry on 16 November 1861.1
On the Campaign
Whiteside commanded the 105th after Colonel Carroll was mortally wounded until relieved in October by Major Shedd.1
The rest of the War
He was promoted Captain of the Company to date from 6 October 1862. After the consolidation between the 105th and 94th New York Infantry regiments in March 1863, he continued in service as a Captain in the 94th, He was captured at Gettysburg on 1 July 1863, and was a prisoner of war until paroled 18 April 1865.
References & notes
The photograph above is from a CDV sold at auction in 2007 by Cowan's.
More on the Web
A fellow POW, Captain Michael Egan, wrote a post-war memoir called The Flying, Gray-haired Yank (1888), which included his experiences in prison and attempting escape with Whiteside.
Birth
1828 in IRELAND
Death
01/04/1895; Lima, NY
1 Hough, Franklin Benjamin, History of Duryee's Brigade, during the Campaign in Virginia under Gen. Pope, and in Maryland under Gen. McClellan, in the Summer and Autumn of 1862, Albany: J. Munsell, 1864, pg. 140 [AotW citation 913]