KEADY
Keady is an Irish surname of Gaelic origin, indicating lineage within traditional Irish families. The name traditionally appears with the Mac or O' prefix, signifying “son of” or “descendant of”.
The etymology of the surname varies in the surviving records. In some early documents the name appears as Mac Céadaigh, derived from Céadach which in turn comes from the Gaelic word céad meaning “first” or “chief”. Other sources record the name as Mac Éadaigh, which translates to “son of Éadadh” or, via the Old Irish édach, “stringed”. Both derivations emphasise a connection to a leader or a notable figure within a community. In the 17th century an alternative spelling Mac Ceadaigh is noted, connected to the word cead meaning “one hundred”; the reason for this numeric reference remains unclear to modern scholars.
Historical records document the surname in a number of Irish counties. The earliest mention appears in the Irish Annals of Ulster in 1209, where a William Mac Eideaidh is recorded. By the mid‑17th century the name is found in the 1659 census of County Longford and County Leix, and a Teag O' Keady is noted in County Mayo in 1635 during a Stafford’s Inquisition. In later centuries the surname is notably recorded in County Galway, County Cork (where it appeared under the spelling O' Meiceidigh before being anglicised to Mac Ceadaigh), and County Kerry. The surname also emerged in counties such as Antrim, Armagh, Down, and Tyrone in Northern Ireland.
The Keady family has disseminated beyond Ireland. During the nineteenth century many bearers emigrated to Britain, America, Australia, and New Zealand, seeking new opportunities. In contemporary times the surname remains common in Northern Ireland and southeast Ireland, and is found in diaspora communities in the United Kingdom, the United States (particularly in Massachusetts, New York, Pennsylvania, California, and New Jersey), and parts of Oceania.
Several orthographic variants of the surname exist, reflecting regional spelling preferences and the gradual anglicisation of Irish names. Notable variations include Keady, Keedy, Keadie, Keadey, Keddy, Mac Ceady, Mac Ceddy, Mac Keeaddy, O' Keady, and O' Kaddy. The loss of the O' prefix in the eighteenth century is a common trend among many Irish surnames.
The heraldic insignia associated with the Keady name features gold and blue brocade, interpreted as symbolic of the family’s godly origins. This design derives from the phrase “Mac eideaidh diagh pass”, translated as “the Keady family is of godly origin”. The coat of arms underscores the long-standing reputation and respect commanded by the family in Irish society.
Throughout history, members of the Keady lineage have been recognised for their influence and stature within their communities. From medieval chronicles to contemporary genealogical records, the surname continues to carry a sense of proud heritage for those who bear it today.
Typical given names associated with the Keady surname
Male
- Christopher
- Edward
- James
- John
- Kevin
- Mark
- Michael
- Patrick
- Peter
- Stephen
- Thomas
- William
Female
- Angela
- Ann
- Eileen
- Fiona
- Jacqueline
- Margaret
- Maria
- Mary
- Maureen
- Michelle
- Orla
- Sarah
- Susan
Similar and related surnames
Related and similar names are generated algorithmically based on the spelling, and may not necessarily share an etymology.
How to communicate the surname Keady in...
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There are approximately 366 people named Keady in the UK. That makes it one of Britain's least common surnames. Only around six in a million people in Britain are named Keady.
Origin: Celtic
Region of origin: British Isles
Country of origin: Ireland
Religion of origin: Christian
Language of origin: Gaelic
