Question: Who was an Irish teacher, barrister, poet, writer, nationalist and political activist of the Easter Rising of 1916 who's also the inspiration of a gaelic Athletic club of the the same name?

Context articles: Slaughtneil GAC
Claughaun GAA
Madden Raparees GAC
San Antonio Gaelic Athletic Club
All Saints GAC
Patrick Pearse
Drumsurn GAC
Pearse Óg GAC
Thomas MacDonagh
CLG Oisín

Robert Emmet's Gaelic Athletic Club Slaughtneil (Irish: "CLG Roibeard Éiméid Sleacht Néill" ) is a Gaelic Athletic Association club based on the townland of Slaughtneil, County Londonderry, Northern Ireland.
 The club is a member of the Derry GAA and compete in gaelic football, hurling and camogie.
 The club is named after Irish patriot and revolutionary Robert Emmet and play their home games at Emmet Park.
Claughaun Gaelic Athletic Club (Irish: "CLG Chlochán" ) is a Gaelic Athletic Association club within Limerick GAA, based in St Brigid's parish on the southside of Limerick City, Ireland.
 The club was founded in 1902, in the Poulin/Pennywell area of St John's parish.
 It has considerable success over the years in both hurling and Gaelic football.
 The club grounds are located on the Childers Road, at what has become a prominent venue for games of all levels.
 The club was relegated to intermediate status in both football and hurling following the 2010 championships.
Madden Raparees Gaelic Athletic Club (Irish: "Ropairí na Madan" ) is a Gaelic Athletic Association club from the townland of Madden, southern County Armagh, Northern Ireland.
 The club is part of Armagh GAA and plays Gaelic football in the Armagh Intermediate Championship.
 They play at Raparee Park (Irish: "Páirc na Ropairí" ).
San Antonio Gaelic Athletic Club (Irish: "Cumann Lúthchleas Gael Naomh Antaine" ) known as The San Patricios is a Gaelic Athletic Association club in San Antonio, Texas and a member of the North American GAA since 2012.
 Currently the club has a men's Gaelic Football team, and a ladies' football team.
 Their club badge features the Alamo, as well as the San Antonio Riverwalk.
 The SAGAC is registered with the State of Texas as a Domestic Nonprofit Corporation.
All Saints Gaelic Athletic Club (Irish: CLG na Naomh Uile ) is the only Gaelic Athletic Association club in the town of Ballymena, County Antrim (and one of four in the borough).
 The club is a member of the South-West Antrim division of Antrim GAA, and competes in Gaelic football, hurling, Ladies Gaelic football and camogie.
Patrick Henry Pearse (also known as Pádraic or Pádraig Pearse; Irish: "Pádraig Anraí Mac Piarais" ; An Piarsach; 10 November 1879 – 3 May 1916) was an Irish teacher, barrister, poet, writer, nationalist and political activist who was one of the leaders of the Easter Rising in 1916.
 Following his execution along with fifteen others, Pearse came to be seen by many as the embodiment of the rebellion.
Saint Matthew's Gaelic Athletic Club (Irish: "CLG Naomh Maitiú Droim Soirn" ) is a Gaelic Athletic Association club based in Drumsurn, County Londonderry, Northern Ireland.
 The club is affiliated to Derry GAA and currently competes in gaelic football and camogie.
Pearse Óg Gaelic Athletic Club (Irish: "Na Piarsaigh Óga" ) is a Gaelic Athletic Association club in County Armagh, Northern Ireland.
 'Na Piarsaigh Óga', which translates as 'the Young Pearses', takes its name from the Irish revolutionaries Pádraic and Willie Pearse.
 The club's crest includes a sword in flames, a symbol associated with Pádraic Pearse since his editorship of the nationalist newspaper "An Claidheamh Soluis", surrounded by the green and gold club colours and a skyline of Armagh city.
Thomas Stanislaus MacDonagh (Irish: "Tomás Anéislis Mac Donnchadha" ; 1 February 1878 – 3 May 1916) was an Irish political activist, poet, playwright, educationalist and revolutionary leader.
 He was one of the seven leaders of the Easter Rising of 1916, a signatory of the Proclamation of the Irish Republic and Commandant of the 2nd Battalion, Dublin Brigade of the Irish Volunteers, which fought in Jacob's biscuit factory.
 He was executed for his part in the Rising at the age of thirty-eight.
Oisín Gaelic Athletic Club (Irish: "Cumann Lúthchleas Gael Oisín" ) is a Gaelic Athletic Association sports club in Manchester which plays Gaelic football at senior and junior level, as well as having a growing under-age structure.
 Oisín is a member club of the Lancashire GAA County Board, the British GAA Provincial Council and the GAA as a whole.