On 27 February 2016, he lined out at right wing-back when Mary Immaculate College faced the University of Limerick in the Fitzgibbon Cup final.
[3] On 25 February 2017, Maher again lined out at centre-back when Mary Immaculate College qualified for a second successive Fitzgibbon Cup final.
[4] Maher joined the Thurles Sarsfields club at a young age and played in all grades at juvenile and underage levels.
[5] On 25 November 2012, Maher won a Munster Championship medal when he came on as an injury-time substitute in the 1-21 to 1-16 defeat of De La Salle.
He claimed a second winners' medal, his first on the field of play, when he lined out at right wing-back following Thurles Sarsfields 2-22 to 3-11 defeat of reigning champions Loughmore-Castleiney.
[7] On 25 October 2015, Maher was at left wing-back when Thurles Sarsfields faced Nenagh Éire Óg in the Tipperary Senior Championship final.
[8] Maher lined out at left wing-back when Thurles Sarsfields faced Kiladangan in the Tipperary Senior Championship final.
[12] On 15 July 2012, Ronan won a Munster Championship medal when he lined out at left corner-back in a 1-16 to 1-12 defeat of Clare in the final.
[17] On 12 January 2014, Maher made his competitive debut for the Tipperary senior team in a 3-20 to 0-05 defeat of the Limerick Institute of Technology in the Waterford Crystal Cup.
[22] Maher claimed a second successive Munster Championship medal on 10 July 2016 after lining out at centre-back in a 5-19 to 0-13 defeat of Waterford in the final.
[27] On 30 June 2019, Maher lined out at left wing-back and scored two points from play when Tipperary suffered a 2-26 to 2-14 defeat by Limerick in the Munster final.