St Mary's College, Dublin

St Mary's College C.S.Sp. (Congregatio Sancti Spiritus) is a voluntary boys' primary and secondary school run by the Congregation of the Holy Spirit and located in Rathmines, Dublin, Ireland. The school was founded in 1890, closed in 1916, and then reopened in 1926 (from 1917 until 1926 the St. Mary's operated as a House of Philosophy for the Spiritans, before it moved to Blackrock.).^[1] The school colours are blue and white.

St. Mary's College C.S.Sp. Coláiste Naomh Muire
Location
Rathmines, Dublin D06 HP38 Ireland
Coordinates	53.32736°N 6.26722°W / 53.32736; -6.26722
Information
Type	Voluntary
Motto	Fidelitas in Arduis (Latin) (Faithful in difficulty)
Religious affiliation(s)	Catholic Congregation of the Holy Spirit
Established	1890; 135 years ago (1890)
President	Fr. John Flavin C.S.Sp.
Principal	Denis Murphy
Faculty	47 full time 8 part-time
Years offered	Junior Infants to Sixth Year
Gender	Boys
Age range	4–18
Enrolment	~700
Colour(s)	Blue and White
Website	stmarys.ie

Notable past pupils

Ireland rugby player Johnny Sexton, St Mary's Rathmines past pupil

See also: Category:People educated at St Mary's College, Dublin

Arts and media

• Vincent Dowling – Irish-American director^[2]

Law

• Peter Charleton – Judge of the Supreme Court of Ireland^[3]
• Nicholas Kearns – Former President of the High Court of Ireland^[4]
• Tom O'Higgins – Former Chief Justice of the Supreme Court^[5]

Politics

• Kevin Barry (briefly) – Irish republican (executed in 1920)^[6]

Sports

• Rodney O'Donnell – Former Leinster, Irish and Lions rugby player^[7]
• Paul Dean – Former Ireland and Lions rugby player^[8]
• Denis Hickie – Former Leinster, Ireland and Lions rugby player^[9]
• Shane Jennings – Former Leinster, Leicester Tigers, Barbarians and Ireland rugby player^[10]
• Johnny Sexton – Leinster, Racing 92, Ireland and Lions rugby player^[11]
• Gareth Delany – Irish cricketer^[12]

Other

• Peter Boylan – Former Master of the National Maternity Hospital^[13]

Notable staff

• Éamon de Valera – Taoiseach and former president, taught at St. Mary's for a short time in 1915 as a mathematics professor^[14]

Sister schools

The following schools were also founded by the Holy Ghost Fathers in Ireland:

• Blackrock College
• Rockwell College
• St. Michael's College
• Templeogue College

St. Mary's College Rugby Club

St. Mary's College R.F.C. in Templeogue.

Saint Mary's College C.S.Sp. is directly associated with the St. Mary's College Rugby Club located in Templeogue. The club has been home to some of Leinster and Ireland's greatest rugby players.