They defeated Waterford United 5–2 on aggregate and were subsequently promoted to the 1993–94 Premier Division.

Monaghan United gained promotion to the Premier Division for a second time in 2000–01 after finishing second to Dundalk.

After managing to win just two league games, they finished last and were relegated following the conclusion of the 2001–02 season.

They subsequently beat Waterford United before losing to Bray Wanderers on penalties.

[10][11][12] In 2011, under the management of Roddy Collins, Monaghan United again qualified for the promotion/relegation play off.

[13][14][15] However, midway through the 2012 season, Monaghan United withdrew from the league for "mainly but not only financial" reasons.