[1] In July 2019, O'Shea partnered with Amber Gill won the fifth series of Love Island.
[7] In addition to playing rugby, he was also a sprinter; when he was 16 he competed for Ireland at the 2011 European Youth Olympics 100m where he finished sixth.
O'Shea encountered a setback in 2015 when he fell off a bicycle and lacerated his achilles tendon, which took him a year until returning to full health.
[15] He was part of Ireland's Rugby Sevens squad which began training in August 2019 for the 2020 Summer Olympics in Tokyo.
[16] In 2019, O'Shea won the fifth series of Love Island alongside Amber Gill,[2] with 49% of the final public vote.