Citation Information Detail Year: 1920; Census Place: Londonderry, Rockingham, New Hampshire; Roll: T625_1013; Page: 9A; Enumeration District: 128; Image: 1030 EDIT SOURCE Source Information Title 1920 United States Federal Census Author Ancestry.com Publisher Ancestry.com Operations Inc Publisher Date 2010 Publisher Location Provo, UT, USA EDIT REPOSITORY Repository Information Name Ancestry.com