Birth country from 1920 US census, Philadelphia PA, 46th ward, 1749th enumeration district, sheet 6A.
"United States World War I Draft Registration Cards, 1917-1918," index and images, FamilySearch (https://familysearch.org/pal:/MM9.3.1/TH-1971-26647-43455-88?cc=1968530 : accessed 02 Nov 2014), Pennsylvania > Philadelphia City no 49; Cope, George H.-Z > image 3845 of 7387; citing NARA microfilm publication M1509 (Washington D.C.: National Archives and Records Administration, n.d).
"United States Census, 1920," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MFYY-5PD : accessed 02 Nov 2014), Frederick Martin, Philadelphia Ward 46, Philadelphia, Pennsylvania, United States; citing sheet 6A, family 126, NARA microfilm publication T625, FHL microfilm 1821647.
"United States Census, 1930," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/XHSK-76J : accessed 04 Nov 2014), Fredick Martin, Upper Darby, Delaware, Pennsylvania, United States; citing enumeration district (ED) 0171, sheet 4A, family 78, NARA microfilm publication T626, National Archives and Records Administration, Washington D.C.; FHL microfilm 2341768.
"United States Census, 1940," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/KQFF-95Y : accessed 04 Nov 2014), Fredrick Martin, Upper Darby Township, Delaware, Pennsylvania, United States; citing enumeration district (ED) 23-187, sheet 5B, family 100, NARA digital publication of T627, roll 3497, NARA digital publication of T627, National Archives and Records Administration, Washington, D.C.
"United States World War II Draft Registration Cards, 1942," index and images, FamilySearch (https://familysearch.org/pal:/MM9.3.1/TH-266-12118-173395-68?cc=1861144 : accessed 02 Nov 2014), 004128554 > image 1958 of 3298. Citing NARA microfilm publications M1936, M1937, M1939, M1951, M1962, M1964, M1986, M2090 and M2097, Washington D.C.: National Archives and Records Administration, n.d.
"United States Social Security Death Index," index, FamilySearch (https://familysearch.org/pal:/MM9.1.1/VSG8-H26 : accessed 02 Nov 2014), Frederick Martin, Feb 1963; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).
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