Hi,
I found:
1930 United States Federal Census
about Joseph Defellopi Name: Joseph Defellopi
Birth Year: abt 1890
Birthplace: Italy
Home in 1930: Brooklyn, Kings, New York
View Map
Relation to Head of House: Head
Spouse's Name: Angelina Defellopi
Occupation:
Education:
Military Service:
Rent/home value:
Age at first marriage:
Parents' birthplace: View image
Neighbors: View others on page
Household Members: Name Age
Joseph Defellopi 40
Angelina Defellopi 33
Girolomo Defellopi 2 (12 old; Jerry?)
Giacomina Defellopi 8 (Jean?)
Joseph Defellopi 7
John Defellopi 6
Stella Defellopi 2
neighbors: Stella Calleca age 50 with family and Angelo Calleca 32 old with own family

It could be your ancestor??
suanj