Elizabeth Dennis, Cecilla Bernard,Frank Bernard, Arlene Bernard

[ericdubois]

We would need at least the location and time period. Those are fairly common names and you'll find many homonyms.

[ericdubois]

On FamilySearch (free, registration required):

1930 census: https://www.familysearch.org/ark:/61903/1:1:XQTQ-HDX
Nelson A Bernard Head Male 49 Vermont
Hazel M Bernard Wife Female 45 Vermont
Cleveland P Bernard Son Male 15 Vermont
George F Bernard Son Male 13 Massachusetts
Dorothy M Bernard Daughter Female 7 Massachusetts
Laurel P Bernard Daughter Female 5 Massachusetts
Elizabeth A Bernard Daughter Female 3 Massachusetts
Frank A Bernard Father Male 72 Vermont
Nelson A Doner Nephew Male 24 Vermont
Agnes M Doner Niece Female 26 Massachusetts

I suspect Arlene is Elizabeth A.

1940 census: https://www.familysearch.org/ark:/61903/1:1:K4J7-Z5P
Nelson Bernard Head Male 58 Vermont
Hazel Bernard Wife Female 54 Vermont
George Bernard Son Male 23 Massachusetts
Dorothy Bernard Daughter Female 17 Massachusetts
Laura Bernard Daughter Female 15 Massachusetts
Elizebeth Bernard Daughter Female 13 Massachusetts
Paul Bernard Son Male 11 Vermont
John A Bernard Son Male 9 Massachusetts
Jules Gonsalves Son-in-law Male 34 Massachusetts
Addie Gonsalves Daughter Female 27 Vermont
John M Gonsalves Grandson Male 11 Massachusetts

1920 census: https://www.familysearch.org/ark:/61903/1:1:MF9G-W53
Nelson Bernard Head Male 38 Vermont
Hazel Bernard Wife Female 34 Vermont
Addie Bernard Daughter Female 7 Vermont
Cleveland Bernard Son Male 5 Vermont
George Bernard Son Male 2 Massachusetts

Previous address and marriage would be in Vermont.

Marriage, 1914: https://www.familysearch.org/ark:/61903/1:1:QPQL-FHXZ
Nelson A BERNARD & Hazel JENNESS (widow of TOWN)

Graves: https://www.findagrave.com/memorial/44545950/hazel-bernard