John and Mary were both born in Ireland. John emigrated with his parents and brother Martin Fitzgerald. Mary emigrated alone as her parents are listed in the 1871census for Lancashire (Liverpool, St Matthew, District 13) with her brothers, James and Andrew.
John and his brother, Martin applied for naturalization on October 22, 1867. A copy of their sworn statements was obtained from the Warren County, New York Archival Collection's Naturalization Papers records series. Philip Carrole signed as the witness for John and Martin.
John enlisted in Company F, 147th New York Volunteer Infantry on August 5, 1863 for a three year term under the alias "John Anderson" at Rochester, NY. His Certificate of Disability for Discharge reports that he was drafted at the age of 21. It also states he was 5 feet and 31/2 inches tall, had a fair complexion, light eyes, and light hair. It lists his occupation as "boatman".
The Certificate states John was first wounded while "on Picket at Kelly's Ford, VA" on August 1, 1863 and then [shot in the left foot] at the "Battle of the Wilderness on May 5, 1864. He was wounded in battle at Hatchers Run, VA, on February, 6, 1865 by a gunshot which struck the back of his left hand and passed through it.
He was discharged July, 21, 1865 (for wounds received) and applied for a pension the next day. The Brief of Claim to Increase Invalid Pension chronicles the various pension amounts John received starting on October 12 1865 ($2.00 per month) to when he received Invalid Pension number 50,783 on May 2, 1872 ($15.00 per month). Mary applied for a Widow's Pension on January 13, 1891.
The Declaration for Widow's Pension states John died January 9, 1891, as does all subsequent filings by Mary and her representatives. Mary received a pension check until her death in 1915. Their pension file obtained from the US National Archives contains 72 pages.
John and Mary are buried in the St. Mary's Cemetery [Catholic] in South Glens Falls, Saratoga Co., NY.
John and Mary were married on July 30, 1865 by Rev. James McDermott at the St. Mary's Catholic Church in Glens Falls, Warren Co., NY. James O'Neil and Catherine Dolan witnessed the marriage.
Most of heir children (Mary through Charles) were baptized at the St. Alphonsus Catholic Church in Glens Falls, NY. Fredrick was baptized at the St. Mary's Catholic Church in Glens Falls, NY.
John and Mary had 11 children:
Martin L Fitzgerald September 1866 - after 1912
James Henry Fitzgerald 
February 11, 1868 - after 1949
Lilly M Fish March 14, 1874 - 1954 (Charles F Fish + Sophia McClanathan)
James and Lilly had 13 children.
John H. Fitzgerald November 1871 - 1956
Mary Ann Fitzgerald July 8, 1873 - February 2, 1915
William Henry Penders June 22, 1879 - January 16, 195 (Patrick Penders + Margaret Hehir)
Mary and William were married September, 18, 1900 and had 9 children.
William Fitzgerald (About) September 17, 1875 - (Before) November 1875
George Fitzgerald (About) December 10, 1876 - (Before) January 1877
George Fitzgerald December 9, 1877 - ?
Catherine Fitzgerald December 1, 1879 - ?
Elizabeth Fitzgerald April 19, 1882 - 1962
Patrick John Penders April 27, 1873 - May 22, 1945 (Patrick Penders + Margaret Hehir)
Patrick and Elizabeth had 9 children.
Charles Fitzgerald August 4, 1886 - After 1919
Fredrick Fitzgerald July 7, 1889 - ?
