Kastor
#31,504 most common boys' name of all time · #80,163 across all names · 100% male / 0% female · used 2017–2021
Rank among boys
#31,504
Rank overall
#80,163 of 105,966
First appeared
2017
Years on the list
2 of 146
All-time
10
Since 2016
10
Peak year
2017 #14,120
Best rank
#13,735 2021
Girls
Boys
peak 5/yr
Kastor first appears in 2017. That's the first year it was given to at least 5 US babies, which is the threshold below which the SSA withholds a name.