Birth
Helen Marie Duffy, daughter of William Joseph, Sr. and Elizabeth (nee Kennedy) Duffy, was born on December 30, 1900, in Waltham, Massachusetts, USA. I have obtained a copy of Helen Marie Duffy's birth record. To view a copy of the Helen Marie Duffy birth record I have obtained, click here.

US Federal Census Records
Helen Marie Duffy, daughter of William Joseph, Sr. and Elizabeth (nee Kennedy) Duffy, appears in the 1910 and 1920 U.S. Federal census records, as a single person, in her parents household. You may access my William Joseph, Sr. and Elizabeth (nee Kennedy) Duffy and Related Families U.S. Federal Census Selector Page by clicking here.

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Larry's William Joseph, Sr. and Elizabeth (nee Kennedy) Duffy Family Page
Larry's Patt and Ellen (nee Connolly) Duffy Family Page
Larry's John and Mary (nee McKennan) Kennedy Family Page
Larry's Thomas and Mary (nee McGuire) McKenna Family Page
Larry's Patrick "Patt" and Bridgat "Biddy" (nee Cassidy) McKenna Family Page
Larry's Cassidy Family Connections
Larry's Duffy Family Connections
Larry's McKenna Family Connections
Larry's Family Names Page
Larry's Genealogy Page