Dehaney made her international netball debut in the 2015 Netball World Cup against Samoa. She participated at the 2013 Netball World Youth Cup in Glasgow, Scotland where the Jamaicans finished in third place. She also captained the under-21 Sunshine Girls at the 2017 Netball World Youth Cup in Gaborone, Botswana whereby the team finished in fifth place. In 2015, she earned the MVP award in the Berger Elite League final whereby her team, the Clarendon Gators defeated the St James Sharpes. That following year, she earned a spot in the Sunshine Girls squad to the 2015 Netball World Cup. In 2017, she was signed by the Australian-based team the Melbourne Vixens in the Suncorp Super Netball.