Club

At club level Maher is a one-time county intermediate championship medallist with Lorrha–Dorrha. The men from Lower Ormond defeated Moycarkey–Borris from Mid Tipperary in the 2007 County Final on a scoreline of 1-11 to 0-11. Lorrha defeated Ballina in the North Tipperary final en route to the County final that year on a scoreline of 3-9 to 1-13. Maher - who was still only a minor that year - scored a late goal which put Lorrha in a winning position.

Minor and under-21

Maher first came to prominence on the inter-county scene as a member of the Tipperary minor team in 2007. He won a Munster medal in this grade that year following an 0-18 to 1-11 defeat of Cork.^[2] Tipp subsequently defeated Kilkenny to qualify for the All-Ireland final. Cork, the defeated Munster finalists, provided the opposition and a high-scoring game developed over the course of the hour. At the full-time whistle Tipp were the champions by 3-14 to 2-11 and Maher added an All-Ireland medal to his collection.^[3]

Maher subsequently graduated onto the Tipperary under-21 hurling team. In 2010 Tipp defeated Clare in the provincial decider by 1-22 to 1-17, giving Maher his second Munster under-21 winners' medal having previously won one in 2008 at wing half forward .^[4] Tipp subsequently qualified for an All-Ireland meeting with Galway, which Tipperary won by 5-21 to 0-11.^[5] It was Maher's first All-Ireland under-21 winners' medal.

Senior

Maher made his Senior inter-county debut for Tipperary against Waterford in the 2009 Waterford Crystal Cup, lining out at left half-forward, and scored a goal against Clare in the 2009 Waterford Crystal Cup Final. He made his debut in the National Hurling League in February 2009, lining out at centre-forward against Waterford and scoring a point in a 2–13 to 1–12 Tipperary victory. Maher went on to make his Championship debut at left half-forward on 3 July 2010 against Wexford in the 2010 All-Ireland Senior Hurling Championship Qualifiers, scoring two points from play.^[6]

On 5 September 2010, Maher started at left half-forward as Tipperary won their 26th All Ireland title, beating reigning champions Killkenny by 4–17 to 1–18 in the final, preventing Kilkenny from achieving an historic 5-in-a-row, it was Maher's first All-Ireland winners medal.^[7] Six day's later on 11 September 2010, Tipperary clinched the All Ireland Under-21 title by defeating Galway by 5–22 to 0–12 at Semple Stadium, with Maher starting at centre half forward and scoring a goal in the second half.^[8] Patrick was nominated for an All-star award in 2010, 2011 and 2012. GAA/GPA player of the month for June 2012. Munster senior hurling Player of the Year 2012. In 2013 Maher joined the Irish army.^[9][10]

In October 2014, Maher won his first All Stars Award after a successful 2014 campaign where Tipperary reached the All-Ireland Final.^[11]

On 4 September 2016, Maher won his second All-Ireland Senior hurling title when Tipperary defeated Kilkenny in the final by 2-29 to 2-20.^[12][13]

In October 2016, Maher left Ireland for six months army service in a peacekeeping mission to the Golan Heights in Syria.^[14][15]

On 16 June 2019, Maher was stretchered off in first-half injury-time after appearing to twist his knee in an awkward fall in Tipperary's 1-22 to 0-21 defeat of Limerick.^[16] A scan subsequently revealed that he had ruptured the anterior cruciate ligament in his right knee, an injury which ended his season.^[17][18]

On 22 May 2021, it was announced that Maher would miss the remainder of the 2021 season after suffering an Achilles injury in training on the previous Thursday which required surgery. ^[19][20][21]

Tipperary

• All-Ireland Senior Hurling Championship:
  • Winner (3): 2010, 2016, 2019
  • Runner-up (3): 2009, 2011, 2014
• Munster Senior Hurling Championship:
  • Winner (5): 2009, 2011, 2012, 2015, 2016
  • Runner-up (0):
• National Hurling League:
  • Winner (0):
  • Runner-up (4): 2009, 2013, 2014, 2017
• All-Ireland Under-21 Hurling Championship:
  • Winner (1): 2010
  • Runner-up (1): 2008
• Munster Under-21 Hurling Championship:
  • Winner (2): 2008, 2010
• All-Ireland Minor Hurling Championship:
  • Winner (1): 2007
• Munster Minor Hurling Championship:
  • Winner (1): 2007

Individual

• All Star Award (2): 2014, 2016