On record since 1953
Castor
Just 366 people named Castor appear in the U.S. record, all of them since 1953. That places it among the rarest names in this catalog. If you know a Castor, you may know the only one you will ever meet.
It peaked in the 2010s. Also spelled Caster, Kastor.
U.S. RecordSocial Security, 1880 to 2024
All-time rank#21,652 of 104,819 names
People on record366
Peak decade2010s
First recorded1953