Valley or assembly
In English and Germanic contexts, Dal is a topographic name referring to someone who lived in a valley. In Sanskrit, it can refer to a leaf or a fragment, often associated with a gathering or assembly. It is most frequently used as a short form of longer names like Dallas or Dalton.
Less common today
Dal isn't in the latest US Top 1000. It last peaked at #7,623 in 2014.
US births per 5-year period, 1990βpresent (SSA data).
Major League Baseball shortstop and manager
Indian politician from Haryana