Cappy**
#30,517 most common boys' name of all time · #80,163 across all names · 50% male / 50% female · used 1951–1954 · genuinely unisex
Rank among boys
#30,517
Rank overall
#80,163 of 105,966
First appeared
1951
Years on the list
2 of 146
All-time
10
Since 2016
0
Peak year
1954
Best rank
#4,204 1951
Girls
Boys
peak 5/yr
Cappy first appears in 1951. 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.