Gray was born in
Auckland and attended
Sacred Heart College, Auckland where he played rugby for the first XV. Having moved to the Counties Manukau region, he played club rugby first for Ardmore Marist, and later Patumahoe. Gray is of Samoan heritage, and was named in their sevens side in 2022, but didn't make an appearance. In 2023, he was named in the New Zealand Barbarians squad. ==Professional career==