Treasurer or keeper of the treasure
Kaspen is a modern variation of Casper or Jasper, names traditionally associated with the Three Magi. It shares the same etymological roots meaning 'treasurer' and has gained traction as a unique alternative to more common 'K' names.
Less common today
Kaspen isn't in the latest US Top 1000. It last peaked at #4,931 in 2021.
US births per 5-year period, 1990βpresent (SSA data).