7th Annual Tribeca Film Festival - "Gunnin' for That # 1 Spot" - Arrivals

Ad-Rock in 2008, photo by

Birth Name: Adam Keefe Horovitz

Place of Birth: Manhattan, New York City, New York, U.S.

Date of Birth: October 31, 1966

*Ashkenazi Jewish (father)
*Irish (mother)

Ad-Rock, also known by his birth name Adam Horovitz, and as King Ad-Rock and Shadrach, is an American rapper, guitarist, and actor. He was a member of the hip hop group Beastie Boys, in which he played the guitar. Other members included Mike D and Adam Yauch.

Ad-Rock is the son of Doris (Keefe) and Israel Horovitz, a playwright, director, and actor. His sister is producer Rachael Horovitz. Ad-Rock is married to Kathleen Hanna.

His father was Jewish. His mother is of Irish Catholic background.

Ad-Rock’s paternal grandfather was Julius Charles Horovitz (the son of Israel Horovitz and Bessie S. Binsky). Julius was born in Massachusetts. According to census records, Israel and Bessie were born in Russia. Israel’s profile on says that he was born in Romania. Bessie was the daughter of Isaac Binsky and Sara.

Ad-Rock’s paternal grandmother was Hazel Rose Solberg (the daughter of Natan/Nathan/Nattan Solberg and Mabel/Mabele Becker). Hazel was born in Massachusetts. On the 1920 census, Natan and Mabel are listed as being born in Poland. On the 1930 census, Natan is listed as being born in Russia, while Mabel is listed as born in Latvia, to German-born parents.


Genealogy of Ad-Rock (focusing on his father’s side) –

Ad-Rock’s paternal grandfather, Julius Charles Horovitz, on the 1910 U.S. Census –
Julius Charles Horovitz on the 1920 U.S. Census –
Julius Charles Horovitz on the 1930 U.S. Census –

Ad-Rock’s paternal grandmother, Hazel Rose Solberg, on the 1920 U.S. Census –
Hazel Rose Solberg on the 1930 U.S. Census –

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