Harry born 1882

is this family any relation ?
Harry Domincovich was a man born in 1882 in Pennsylvania. During the 1940 US Census he was 58 years old and lived in Philadelphia, Pennsylvania. He appears as the head of his house in the 1940 US Census.
LAST NAME: Domincovich
FIRST NAME: Harry
MIDDLE NAME:
BIRTH YEAR: 1882
BIRTH PLACE: Pennsylvania
COUNTY: Philadelphia
AGE: 58
GENDER: Male
RESIDENCE: 5369 Wingohocking Terrace
Philadelphia, Pennsylvania
HOUSEHOLD MEMBERS:
Harry Domincovich (58, Male)
Margaretta Domincovich (55, Female)
Ruth Domincovich (25, Female)
Margarette Domincovich (17, Male)
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ADDED
Antun/Anthony H b: 1881 d: 1947 WAS THE H for Harry ?..is the above Anthony H ??