 On 3 March 2019, O'Meara made his first appearance for the Limerick senior team when he came on as a 7th-minute substitute for Seán Finn in a 1-14 to 2-11 National League draw with Clare.On 31 March 2019, he was named on the bench for Limerick's National League final meeting with Waterford at Croke Park.O'Meara collected a winners' medal as a non-playing substitute in the 1-24 to 0-19 victory.