Muskerry Rugby Club was formed on 30th of March 1978, following a meeting held at Healy’s Bar, Cloghroe (now named Blair's Inn).
The main driving force behind the formation of the club was Pat O'Sullivan.
He was Muskerry’s first secretary, and the following were elected on the committee after this first meeting:
President: Jack Hennessey
Vice President: Harry O'Sullivan
Vice President: Dr Mathew Costello
Chairman: Jim Byrne
Hon. Secretary: Pat O'Sullivan
Club Captain: Bill Hornebrook
Treasurer: Noel O'Riordan
Coach: Con O'Sullivan
The first game that Muskerry played was against Highfield RFC on 16th of April 1978 and Muskerry won 19-4.
Significant dates include:
| 1980 | Won first trophy, The Junior 3 Cup, beating Shandon 9-6 in the Final. |
|---|---|
| 1983 | Second XV formed |
| 1990 | Dan Ahern becomes first Muskerry player to receive Munster Junior Cap. |
| 1992 | Youth Section formed by Terry McCarthy, Karl Mitchell, Kieran Field, and Victor Rothwell. |
| 1995 | Bought 8 acres from our patron Bill Ellis. |
| 1996 | Received lottery funding to develop playing pitches. |
| 1997 | Elevated to Junior Status- Nick Jones scores a try! |
| 1999 | Ellis Park officially opened. |
| 2000 | Former Muskerry Youth players, Conrad O'Sullivan and Pat McCarthy, play pivotal roles in Ireland’s under 19 Triple Crown success. |
| 2000 | Third XV formed. |
| 2001 | D J O'Leary becomes second Muskerry Player to receive Munster Cap. |
| 2001 | First XV promoted to Second division of the Junior League. |
| 2002 | Club raised €100,000 in huge fundraising effort. |
| 2003 | Received a lottery grant of €160,000, which was the second highest in Cork. |
| 2003 | Donal Twomey, Kieran Horgan, Ed Crowley played for Munster Youth Team and the Irish Youth Squad. |