Name Trends

See the popularity of first names over time in the USA

How popular is “Castor” in the USA?

Number of people named “Castor” by birth year

This chart shows how many people named “Castor” were born each year.

Due to changes to population growth and data collection rates over time, this isn't a good chart for understanding popularity.

Popularity of “Castor” by birth year

This chart shows how the popularity of “Castor” has changed over time.

Popularity is the number of people named “Castor” born in that year divided by the total number of births for that year.

Bias in sex for “Castor” by birth year

This chart shows how “Castor” has been used as gendered name over time. The scale ranges from 1 (only females) to -1 (only males).

Sex is a required field in SSA's Social Security Card applications (only 2 options). Most applications are filed around a person's time of birth.

The raw data

This table shows the data used in the above charts.

Year Count Proportion Females Males Bias toward female
1998 11 0.000002991 11 -100%
1999 8 0.000002166 8 -100%
2000 10 0.000002646 10 -100%
2001 9 0.000002404 9 -100%
2002 8 0.00000214 8 -100%
2003 7 0.000001841 7 -100%
2004 6 0.00000157 6 -100%
2005 9 0.000002341 9 -100%
2006 11 0.00000278 11 -100%
2007 8 0.000002001 8 -100%
2008 8 0.000002035 8 -100%
2009 13 0.000003403 13 -100%
2010 9 0.000002435 9 -100%
2011 10 0.000002734 10 -100%
2012 15 0.000004101 15 -100%
2013 17 0.000004663 17 -100%
2014 18 0.000004856 18 -100%
2015 17 0.000004593 17 -100%
2016 29 0.000007905 29 -100%
2017 14 0.000003915 14 -100%
2018 24 0.000006826 24 -100%
2019 23 0.000006626 23 -100%
2020 25 0.000007484 25 -100%
2021 17 0.000005018 17 -100%
2022 17 0.000005025 17 -100%
2023 11 0.000003322 11 -100%
2024 12 0.000003605 12 -100%

Explore other names

These names are alphabetically near to Castor:

  1. Castin
  2. Castina
  3. Castle
  4. Casto
  5. Caston
  6. Castor (this page)
  7. Castoria
  8. Castro
  9. Castulo
  10. Castyn
  11. Casundra