- Lifespan: Dec. 5, 1895 – Jan. 22, 2007
- Age: 111 years, 48 days
- Birthplace: Saint John, New Brunswick, Canada
- Last residence: Saint John, New Brunswick, Canada
- Validation date: May 11, 2015
- Validation source: Robert Young/Ilias Leivaditis/Waclaw Jan Kroczek/Marco Wikkerink
Jennie Fitzgerald was born in New Brunswick, Canada on December 5, 1895 to Robert Fudge (1851–1937) and Jennie Moore (1854–1924). She had eight siblings: Ada (1882–1969), George (1885–1918), Maud (1888–?), Roy (1889–1979), Frederick (1891–?), William (1893–1983), Harry (1897–1973), and Hazel (1899–1994). She moved to the United States and married John Spencer in 1922. She later moved back to Canada and married Jamed Fitzergerald (1878–1962) in 1937. She had no children.
Jennie Fitzgerald was the oldest living person in Canada from the death of Julie Winnefred Bertrand until her own death just 4 days later. She holds the record for the shortest time spent as Canada’s oldest living person. After her death Margaret Fitzgerald became the oldest living person in Canada. She was also the last surviving Canadian born in the year 1895.
Her age was verified by Robert Young, Ilias Leivaditis, Waclaw Jan Kroczek, and Marco Wikkerink and validated by the Gerontology Research Group (GRG) on May 11, 2015.