Sherrie, Familysearch.org has this information about George Snyder.
The CA death index states that George's mothers maiden name is Barr so I looked for a marriage for a Snyder and Barr.
1920 census for Braddock Ward 2, Allegheny County, PA
Samuel Snyder-age 46-born PA
May Snyder-wife-age 43-born PA
George Snyder-son-age 12-born PA
Allice Snyder-son?-age 1-born PA
PA County Marriages, 1885-1950
Samuel R. Snyder
Est. Birth Year-1873
Parent's Names-John and Mary Ann Snyder
Spouse's Name-May Barr
Est. Birth Year-1876
Parent's Names-Allen S. and Sarah Barr
Marriage Date-April 5, 1898 at Hollidaysburg, Blair, PA
Pittsburgh Post Gazette-April 15, 1988
Obit for Michael Barvinchak-he is survived by these siblings, four sisters, Mary Snyder of San Bernardino, Calif., and Margaret Wilson, Evelyn Meyers and Gaby Fox, all of Forest Hills, two brothers, Andrew of North Versailles and John of Swissvale.
John and Andrew Barvinchak marriages state that their parents are Michael Barvinchak and Barbara Gimesky. Evelyn's marriage has her mother as Barbara Gimasky.
Good luck in your search. Kathryn