There has yet to be a female NFL football player.
There was no "first ever" NFL player. The NFL was formed in 1920 and consisted mostly of a group of teams that previously were members of the Ohio League.
The NFL was founded in 1920 but the name of the first player to return an interception for a touchdown is not listed.
Fritz Pollard and Bobby Marshall were the first black players in what is now the NFL in 1920.
The first Tonga born player in the NFL was KR/PR Vai Sikahema of the St. Louis Cardinals in 1986 ... he was born in Nuku'Alofa.
Paul "Tank" Younger was the first African-American player in the nfl to come from an all black university in 1947. Hope this helps