Each row gives the frequency of a first name given to a sex in a year, e.g.:

us_ssa_names

Format

A data frame with 2085158 rows and 4 variables.

Source

https://www.ssa.gov/oact/babynames/limits.html

Details

Morgan F 15 1959 Morgan M 223 1959 Morgan F 26 1960 Morgan M 252 1960

Variables

Variables:

  • name. first name

  • sex. male or female

  • freq. frequency of the first name for that sex and year

  • year. year of the count