[1][2][3][4] The club was founded in 1952 and is named after the Mattock River, a tributary of the Boyne.
Mattock lost their first four Louth Senior Football Championship finals, in 1973, 1976, 1962 and 2001.
Senior success finally came in 2002; in that year, Mattock Rangers reached the final of the Leinster Senior Club Football Championship, losing to Dunshaughlin.
They then went on a strong run, winning the 2019 Leinster Intermediate Championship before being beaten by Magheracloone in the All Ireland semi final.
The hurlers have never been county champions, but reached the final of the Louth Senior Hurling Championship in 2011.