John ‘Patrick’ McEnroe was born on February 16, 1959 at Wiesbaden, West Germany. He grew up in Douglaston, Queens. He used to follow his brothers who played tennis at the nearby Douglaston Club. He started playing with his brothers at the age of 8. At the age of 12, he as enrolled in the Eastern Lawn Tennis Association where he competed in the regional tournaments.
He began winning so regularly that he was guaranteed to become an international player one day. But no one knew that, the day would come so soon. His first important victory was when he won the French Open Mixed Doubles with Mary Carillo as an 18 year old amateur.