June1918 World War I Selective Service System Draft Registration Card in Butler County, Ohio. His father Joseph, born in Milan, is at 2 Myrtle Place, Dorchester, Massachusetts.

Census 1920
Boston Ward 17, Suffolk, Massachusetts,
Joseph Crespie 50 Italy
Wife Caralina Crespie 44 Italy
Son Louis Crespie 23 Massachusetts
Son Edward Crespie 21 Massachusetts
Son Joseph Crespie 11 Massachusetts

1930 census in Exeter, Rockingham, New Hampshire:
Louis Crespi 33
Margaret Crespi 26
Joseph Crespi 3 [3 4/12] 
Margaret Crespi 2
Laura Gringress 17 maid
They own a home at 24 Portsmouth Avenue.
He is the proprietor of a fruit store.

Census 1940
Exeter Town, Rockingham, New Hampshire
Louis P Crespi 42 Massachusetts
Wife Margaret Crespi 36 Massachusetts
Son Joseph Crespi 13 New Hampshire
Daughter Margaret Crespi 12 New Hampshire
Daughter Dorothy Crespi 9 New Hampshire
Daughter Helen Crespi 8 New Hampshire
Daughter Mary Crespi 4 New Hampshire
He is the proprietor of a fruit store.

1942 draft registration also shows 92 Court Street, fruit store at 161 Water Street, Exeter, and wife Margaret.

Owns a home at 92 Court Street, Exeter, New Hampshire at the time of 1940 Census and his death.