 O'Meara made his first appearance for the Limerick under-21 team on 7 May 2018 in a 3-18 to 0-13 Munster Championship defeat of Clare.O'Meara joined the Limerick senior hurling panel in 2018 and made his first appearance for the team during the pre-season Munster League.On 19 August 2018, O'Meara was a member of the extended panel when Limerick won their first All-Ireland title in 45 years after a 3-16 to 2-18 defeat of Galway in the final.