↑ 1.01.11.21.3Ancestry.com. Social Security Death Index. (Online publication - Provo, UT, USA: Ancestry.com Operations Inc, 2011.Original data - Social Security Administration. Social Security Death Index, Master File. Social Security Administration.Original data: Social Security Administration. Social Security D), Number: 003-10-4328; Issue State: New Hampshire; Issue Date: Before 1951.
Name: Duane Marden Birth Date: 18 Apr 1918 Birth Place: Death Date: Apr 1972 Death Place: Newmarket, Rockingham, New Hampshire, United States of America
↑ 2.02.12.2Ancestry.com. 1920 United States Federal Census. (Online publication - Provo, UT, USA: Ancestry.com Operations Inc, 2010. Images reproduced by FamilySearch.Original data - Fourteenth Census of the United States, 1920. (NARA microfilm publication T625, 2076 rolls). Records of the Bureau of the Census, Reco), Year: 1920; Census Place: Newton, Rockingham, New Hampshire; Roll: T625_1013; Page: 6B; Enumeration District: 136; Image: 1098.
Name: Duane Marden Birth Date: abt 1918 Birth Place: New Hampshire Residence Date: 1920 Residence Place: Newton, Rockingham, New Hampshire
↑ 3.03.1Ancestry.com. 1930 United States Federal Census. (Online publication - Provo, UT, USA: Ancestry.com Operations Inc, 2002.Original data - United States of America, Bureau of the Census. Fifteenth Census of the United States, 1930. Washington, D.C.: National Archives and Records Administration, 1930. T626,), Year: 1930; Census Place: Newburyport, Essex, Massachusetts; Roll: 901; Page: 13A; Enumeration District: 221; Image: 537.0.