He began at tight head, moving to the open side on his return to the Ireland team in 1971 after a five-year absence.
He was selected for two test series with the British Lions and played for invitational tourists the Barbarians.
McLoughlin also had a long career at club and provincial level, representing Connacht.
[7] Sports columnist Bill Bridge in 2008 named him as Ireland's best open-side prop of the previous 40 years.
[8] Outside rugby, McLoughlin was a business man, and in 1973 he was the chief executive of James Crean, an industrial holdings company.