The team is a division of UCD Marian Basketball Club and is directly associated with the University College Dublin.
After finishing runners-up behind Killester for three straight years between 1975 and 1977, Marian were crowned champions of the National League in 1978 after defeating St. Vincent's Dublin in the final.
[1] The 1979–80 season marked a sea change in Irish basketball as it was the first time paid players were recruited from overseas.
[1] For the 1981–82 season, Canadian coach Bruce Patterson took the reins, while Irish international John O'Connor joined from Killester.
The Irish Basketball Association (IBA) promoted a scheme whereby American investors put money into clubs, including Marian.
[1] Team Yoplait had a very successful campaign in Division Two in 1983–84, finishing a close second behind Liam McHale's Ballina, and winning promotion back to the top flight.
[1] As a result of a club-structural rethink, the men's national league team was separated from the club, financially and management wise.
The team's league form continued to disappoint, as they battled with Ballina and Sporting Belfast for two relegation spots.
[4] Two months later, they ended a 40-year championship drought as they were crowned Basketball Ireland Men's Super League champions for 2017–18.