The first soccer player would be whoever took kick off in the first ever match. The first ever international match was between England and Scotland in 1860. The first club match is not as far as I know record.
Mia Hamm was the FIRST WOMAN soccer player. She was an olympic gold medalist too.
The first black professional soccer player in the US was andrew watson
Mia Hamm was the first woman to play soccer
The name of the first Austrailian soccer player to play for Liverpool was Craig Johnson
The first black woman soccer player was named Briana Scurry. She was the goalkeeper. As of 2014, she is now retired.