The US firstname database was extracted from randomNamesData.
Its origin is the US census.
Usage
firstname_us
Arguments
Format
A data frame with 4 variables:
firstname
first name
freq
probability of being named as firstname as a sex and is race
sex
gender
race
1) American Indian or Native Alaskan, 2) Asian or Pacific Islander,
3) Black (not Hispanic), 4) Hispanic, 5) White (not Hispanic) and
6) Middle-Eastern, Arabic.