Birth Name: Milton Finger
Date of Birth: February 8, 1914
Place of Birth: Denver, Colorado, U.S.
Date of Death: January 18, 1974
Place of Death: Manhattan, New York City, New York, U.S.
Ethnicity: Ashkenazi Jewish
Bill Finger was an American writer of comic books and comic strips. Along with Bob Kane, he created the DC Comics superhero Batman (Bruce Wayne).
Bill was the son of Tessie (Hacker) and Louis Fingerman/Finger. His father was a Jewish immigrant from Austria and/or Poland. His mother was born in New York, of German Jewish descent.
Source: Bill Finger on the 1930 U.S. Census – https://familysearch.org