O'Cleary Ó Cléirigh
Parent house	Uí FiachrachAidhne
Country	Kingdom of Connacht
Founder	Cleireach mac Ceadach
Final ruler	Mhic Mac Comhaltan Ua Cleirigh
Titles	King of Uí Fiachrach Aidhne Brehons ofTír Chonaill
Cadet branches	Coulton Kilkelly Hynes

O'Cleary orO'Clery (Irish:Ó Cléirigh) is the surname of aGaelic Irish family. It is one of the oldest recorded surnames in Europe^[1] Ó Cléirigh is Anglicized asCleary (surname) and often Anglicized asClark.

The name has been Anglicised variously as O'Clery, Cleary, Clery, Clark, Clarke and Clarkson.

• Mac Comhaltan Ua Cleirigh, King ofUí Fiachrach Aidhne, fl. 964
• Lughaidh Ó Cléirigh (fl. 1595–1630)
• Mícheál Ó Cléirigh (ca. 1590–1643), considered the chief author of the chronicle of medieval Irish history known as theAnnals of the Four Masters
• Cú Choigcríche Ó Cléirigh (died 1664)

• Keyes O'Clery
• Conor O'Clery

• Bernard Cleary (1937–2020), Canadian politician
• Beverly Cleary (1916–2021), American author
• Bill Cleary (born 1934), American hockey player
• Brendan Cleary (born 1958), Irish poet
• Brian P. Cleary (born 1959), American humorist, poet and author
• Daniel Cleary (born 1978), Canadian hockey player
• Gabriel Cleary, Irish engineer
• Ivan Cleary, rugby league footballer and coach
• Joe Cleary (1918–2004), Irish baseball player
• John Cleary (disambiguation), several people
• Jon Cleary (1917–2010), Australian author
• Jon Cleary (musician) (born 1962), American musician
• Mark Cleary (professor) (born 1954), Vice-Chancellor of theUniversity of Bradford
• Michael Cleary, several people
• Nikki Cleary (born 1988), American singer
• Paul Cleary (born 1976), Australian middle-distance runner
• Phil Cleary (born 1952), Australian commentator
• Patrick Roger Cleary, founder ofCleary University
• Sean Cleary (footballer) (born 1983), Irish football player
• Sean Cleary, Irish rugby league footballer
• Thomas Cleary, American author and translator
• William J. Cleary (1870–1952), American politician

• Austin Clarke (poet) (1896–1974), Irish poet
• Henry Edward Clarke (1829–1892), businessman and politician in Ontario, Canada
• Henry Joseph Clarke (1833–1889), Premier of Manitoba, Canada, 1874–1878
• Peter Clarke (tennis) (born 1979), Irish tennis player
• Philip Clarke (politician) (1933–1995), Irish Republican Army member and politician
• Tom Clarke (Irish republican) (1857–1916), executed for his part in the 1916 Rising

• Cleary University, a private business school in Michigan, United States
• Cleary Gottlieb Steen & Hamilton, an international law firm
• TheClery Act of United States law
• Clerys, an Irish department store

• McCleary (surname)

• Oxford Concise Companion to Irish Literature, Robert Walsh, 1996.ISBN 0-19-280080-9
• Mícheál Ó Cléirigh, His Associates and St Anthony's College Louvain,Nollaig Ó Muraíle (editor),Four Courts Press, Dublin, 2007.ISBN 978-1-84682-082-3

• O'Clery family pedigree at Library Ireland
• Ó Cléirigh ancestor search atIrish Times
• Clan Ó Cléirigh DNA Project atFamily Tree DNA
• The O’Clerys: hereditary historians and poets atHistory Ireland

Surname list

This page lists people with thesurnameÓ Cléirigh.
If aninternal link intending to refer to a specific person led you to this page, you may wish to change thatlink by adding the person'sgiven name(s) to the link.

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• Irish-language surnames
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• Irish families
• Irish writers
• Irish Brehon families
• Families of Irish ancestry

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