John was born about 1909 in Pennsylvania.[1]
He was the son of John Gallagher and Katherine Callahan.[2]
He passed away in 1956.
* Source: S1 1910 U.S. Census: Census Place: Philadelphia Ward 25, Philadelphia, Pennsylvania; Roll: T624_1398; Page: 9A; Enumeration District: 0538; FHL microfilm: 1375411. Source Information Ancestry.com. 1910 United States Federal Census [database on-line]. Provo, UT, USA: Ancestry.com Operations Inc, 2006. (John J. Gallagher, head, age 31; Catherine, age 30; Catherine, age 3; James, age 1 8/12; John, age 7/12; Mary, age 63 (aunt)).
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