 O'Loughlin joined the Kilmallock club at a young age and played in all grades at juvenile and underage levels, before joining the club's senior team.On 19 October 2014, O'Loughlin won a Limerick Championship from centre-back following a 1-15 to 0-14 defeat of reigning champions Na Piarsaigh.He later won a Munster Championship medal after a 1-32 to 3-18 extra-time defeat of Cratloe in the final.