Castor Name Popularity and Statistics
Castor is predominantly used for boys. The statistics below show this exact spelling in official U.S. records.
Meaning, origin, and pronunciation details are shown only after they have been independently reviewed.
How Do You Spell Castor?
Castor is spelled C-A-S-T-O-R. The name has 6 letters.
Castor Popularity in 2025
Rank#4,707
Recorded Births21
- Boys usage rose 1,492 places to #4,707 and recorded 7 more births compared with 2024.
Figures reflect this exact spelling in the latest available U.S. Social Security Administration records. See the complete year-by-year trend.
Castor Popularity by Year
The table below shows the most recent available records for this exact spelling from 2002 through 2025. Use the full history page to explore every recorded year.
| Year | Usage Category | Recorded Births | National Rank |
|---|---|---|---|
| 2025 | Boys | 21 | #4,707 |
| 2024 | Boys | 14 | #6,199 |
| 2023 | Boys | 11 | #7,289 |
| 2022 | Boys | 17 | #5,445 |
| 2021 | Boys | 17 | #5,338 |
| 2020 | Boys | 26 | #3,918 |
| 2019 | Boys | 23 | #4,337 |
| 2018 | Boys | 24 | #4,226 |
| 2017 | Boys | 14 | #6,060 |
| 2016 | Boys | 29 | #3,681 |
| 2015 | Boys | 17 | #5,289 |
| 2014 | Boys | 18 | #5,066 |
| 2013 | Boys | 17 | #5,171 |
| 2012 | Boys | 15 | #5,720 |
| 2011 | Boys | 10 | #7,502 |
| 2010 | Boys | 9 | #8,139 |
| 2009 | Boys | 13 | #6,436 |
| 2008 | Boys | 8 | #9,019 |
| 2007 | Boys | 8 | #8,915 |
| 2006 | Boys | 11 | #6,904 |
| 2005 | Boys | 9 | #7,640 |
| 2004 | Boys | 6 | #9,948 |
| 2003 | Boys | 7 | #8,643 |
| 2002 | Boys | 8 | #7,643 |
When Was Castor Most Popular?
Peak years are based on the highest recorded birth totals for this exact spelling and usage category. They are ordered by birth count, not chronologically.
2016 · Boys
29 recorded births
National rank #3,681
2020 · Boys
26 recorded births
National rank #3,918
2018 · Boys
24 recorded births
National rank #4,226
2019 · Boys
23 recorded births
National rank #4,337
Where Castor Ranked Highest in 2020
State rankings are calculated separately for girls and boys within each state. The SSA omits state-level names recorded fewer than five times, so low visible counts can still represent a relatively high state rank.
Top States for Boys
| State | Rank | Recorded Births |
|---|---|---|
| CA | #2,447 | 5 |