[2] Henry was educated at Kelston Boys' High School and played for the Bay Roskill Vikings before debuting for the Junior Warriors in the NYC at just 17 years old.

Henry was appointed the Junior Warriors' captain in 2010, but missed the Grand Final victory due to injury.

[9] Henry's 2013 NRL season was cut short to 7 matches after he suffered a ruptured anterior cruciate ligament (ACL) knee injury at training.

[20] At the end of the season he won a NRL-RLPA Pasifika leadership and excellence award, which included travel to the University of California, Los Angeles (UCLA) to attend lectures.

[21] In 2018 he returned to the playing field for the Bay Roskill Vikings in the Sharman Cup helping the team to a 15–0 regular season record where they won the Phelan Shield.