
The surname BABAD is formed from the Hebrew acronym of "the sons of the Av Beis Din" rendered in the vernacular as "Rabinovici", "Rabinowitz", or "Rabinowicz", by which names the BABADs were also known. Source: Sharsheret Hadorot - Journal of Jewish Genealogy - Volume 19, Number 4, November 2005 - The Israel Genealogical Society