John Gallagher was born on Sunday 15 January 1882 in Pontefract, Yorkshire.

John married Polly Jennings on Saturday 22 December 1906 in St Oswald's Church, Methley, near Rothwell, Leeds, Yorkshire.

He had the following children from his marriage to Polly Jennings:

- Thomas Gallagher	born on 28 May 1907 in Methley, Leeds, Yorkshire.
- Leonard Beech Gallagher	born in 1909 in Methley, Leeds, Yorkshire.
- Minnie Gallagher	born on 14 December 1910 in Methley, Leeds, Yorkshire.
- Clifford Gallagher	born in 1913 in the Pontefract Registration District (Dec qtr).
- Irene Gallagher	born on 13 November 1920.
- Avis Gallagher	born on 14 June 1923.
- Edward Gallagher	born in 1926 in the Pontefract Registration District (Sep qtr).
- Evelyn Gallagher	born in 1927 in the Pontefract Registration District (Jun qtr).

John was a Coal Miner - Hewer.

John died when he was 78 years old, in 1960 in the Pontefract Registration District (Mar qtr).  

Census Data:

Year	Address
1911	Low Common (Methley Common) (2), Leeds, Yorkshire.
1939	35 Low Common, Rothwell, Yorkshire.