Duncan William Fitzgerald1 
He was Inspector of Police.1
Child of Duncan William Fitzgerald and Barbara Rader
- Duncan Mansfield Fitzgerald2 b. 23 Jul 1924
Child of Duncan William Fitzgerald and Sadie Virginia Wert Ferguson
- Gary William FitzGerald+2 b. 1947
Barbara Rader1
Her married name became Fitzgerald.
Child of Barbara Rader and Duncan William Fitzgerald
- Duncan Mansfield Fitzgerald2 b. 23 Jul 1924
Duncan Mansfield Fitzgerald1
Sadie Virginia Wert Ferguson1 
Her married name became Fitzgerald.
Child of Sadie Virginia Wert Ferguson and Duncan William Fitzgerald
- Gary William FitzGerald+3 b. 1947
- [S5395] Jim FitzGerald, “re: FitzGerald Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 9 June 2011. Hereinafter cited as “re: FitzGerald Family.”
- [S47] BIFR1976 page 423. See link for full details for this source. Hereinafter cited as. [S47]
- [S47] BIFR1976. [S47]
Gary William FitzGerald1
Children of Gary William FitzGerald and Christiene (?)
- [S47] BIFR1976 page 423. See link for full details for this source. Hereinafter cited as. [S47]
- [S47] BIFR1976. [S47]
- [S5395] Jim FitzGerald, “re: FitzGerald Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 9 June 2011. Hereinafter cited as “re: FitzGerald Family.”
Edward Ormonde Fitzgerald1 
He was with the Royal North-West Canadian Mounted Police.1
Mildred Dorothea Butler Fitzgerald1 
Thomas McMahon1
Child of Thomas McMahon
- Margaret McMahon+2 b. c 1859, d. 29 Jun 1935
Margaret McMahon1 
From 4 January 1882, her married name became Fitzgerald.
Children of Margaret McMahon and Duncan Fitzgerald
- Thomas George Fitzgerald2 b. 13 Oct 1882, d. 13 Oct 1882
- Geraldine Elizabeth Augusta Fitzgerald2 b. 12 Dec 1883
- John Desmond Fitzgerald+2 b. 22 Jun 1886, d. 18 Jul 1944
- Maurice Lionel Fitzgerald2 b. 16 Oct 1888, d. 16 Apr 1949
- Mona Hannah Fitzgerald2 b. 17 Feb 1891, d. 20 Jun 1962
- Lt.-Col. Godfrey Martin Fitzgerald+2 b. 9 Jan 1894
- Terence Duncan Fitzgerald1 b. 24 Sep 1895, d. 16 Jun 1923