Castor
#8,386 most common boys' name of all time · #21,144 across all names · 100% boys / 0% girls · used 1998–2025
Rank among boys
#8,386
Rank overall
#21,144 of 105,966
First appeared
1998
Years on the list
28 of 146
All-time
390
Since 2016
196
Peak year
2016 #3,755
Best rank
#3,755 2016
Girls
Boys
peak 29/yr
Castor first appears in 1998. 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.
Year by year
| Year | Girls | Boys | Total | Rank |
|---|---|---|---|---|
| 2025 | — | 21 | 21 | #4,809 |
| 2024 | — | 14 | 14 | #6,367 |
| 2023 | — | 11 | 11 | #7,537 |
| 2022 | — | 17 | 17 | #5,558 |
| 2021 | — | 17 | 17 | #5,486 |
| 2020 | — | 26 | 26 | #3,987 |
| 2019 | — | 23 | 23 | #4,435 |
| 2018 | — | 24 | 24 | #4,318 |
| 2017 | — | 14 | 14 | #6,265 |
| 2016 | — | 29 | 29 | #3,755 |
| 2015 | — | 17 | 17 | #5,459 |
| 2014 | — | 18 | 18 | #5,198 |
| 2013 | — | 17 | 17 | #5,346 |
| 2012 | — | 15 | 15 | #5,935 |
| 2011 | — | 10 | 10 | #7,889 |
| 2010 | — | 9 | 9 | #8,588 |
| 2009 | — | 13 | 13 | #6,714 |
| 2008 | — | 8 | 8 | #9,619 |
| 2007 | — | 8 | 8 | #9,517 |
| 2006 | — | 11 | 11 | #7,315 |
| 2005 | — | 9 | 9 | #8,153 |
| 2004 | — | 6 | 6 | #10,906 |
| 2003 | — | 7 | 7 | #9,352 |
| 2002 | — | 8 | 8 | #8,306 |
| 2001 | — | 9 | 9 | #7,465 |
| 2000 | — | 10 | 10 | #6,797 |
| 1999 | — | 8 | 8 | #7,811 |
| 1998 | — | 11 | 11 | #5,837 |