Siwoo
#23,457 most common boys' name of all time · #61,459 across all names · 100% male / 0% female · used 2008–2025
Rank among boys
#23,457
Rank overall
#61,459 of 105,966
First appeared
2008
Years on the list
5 of 146
All-time
28
Since 2016
17
Peak year
2025 #10,348
Best rank
#10,348 2025
Girls
Boys
peak 7/yr
Siwoo first appears in 2008. 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.