George Haggerson was born in London, England in the year 1827 and emigrated to the US in 1850.
1860 Census; Village of Oconto, Oconto Co. 19 July 1860,
Vol. 1, page 302:
House 358, Family 304;
George Haggerson, 32, shoe worker, England.
Sarah, 27, Ireland.
William J. ,9, NY.
George, 5, NY.
Margaret J., 3, WI.
Elizabeth 3/12, WI.
Mary Pigeon, 50, Servant girl, Ireland.
Patrick Pigeon, 16, Laborer, Ireland.
Veteran, Corporal, 11th Battery, Wisconsin Light Artillery
Residence - Oconto, WI
Enlisted Nov. 5, 1861
Mustered out July 10, 1865
The 11th Wisconsin Light Artillery served in West Virginia.
George Haggerson Claimed Residence in Oconto
05 November 1861 Corpl
Served Wisconsin Enlisted 87th Inf Reg. WI
Mustered Out on 10 July 1865
Source: Roster of Wisconsin Volunteers: War of the Rebellion
This is the last information I have found on George.