Father
A short form of Hebrew names like Abraham or Abbas, meaning 'father'. It is also used as a diminutive for Albert in English-speaking contexts. Historically, it has functioned as a standalone name or a nickname for those with 'Ab' prefixes.
Less common today
Ab isn't in the latest US Top 1000. It last peaked at #2,871 in 2007.
Professional race car driver and mayor of Salt Lake City
Civil War general often credited with inventing baseball
US births per 5-year period, 1990βpresent (SSA data).