Heart
Leiby is a Yiddish diminutive of the name Lev, which translates to heart. It is traditionally used as a term of endearment or a standalone name within Jewish communities, symbolizing the core of emotion and life.
About 27 boys were named Leiby in 2025.
Subject of a high-profile missing person case in New York City
US births per 5-year period, 1990–present (SSA data).