DEEGAN
Deegan is a surname of Irish and Gaelic origin that has spread widely through emigration in the nineteenth and twentieth centuries.
The name is classically derived from the Gaelic patronymic Ó Duibhgeannáin, which translates literally as “descendant of Duibhgeannáin.” The personal forename Duibhgeannáin is a compound of dubh (black or dark) and geannán (grouse or partridge), so the name may be rendered as “descendant of the dark grouse.” An alternative early form, O'Duibhginn, is linked to the byname Dubhceann (black head); both forms show the customary use of the prefix O to indicate “grandson of” or “descendant of.”
The earliest extant record of the family name appears in the Elizabethan Fiants of 1560 under the spelling O'Doygan. In the fifteenth‑century Petty Census of Ireland, the name is also shown as O'Diggen. Over time a variety of spellings developed—O' Deegan, Deegan, Deegin, Duigan, Deehan, Diggin, Deighnan—and variants were also found in the Fiants as O'Doygan and O'Diggen. In County Laois, the O'Duibhginn sept held a notable position in the barony of Clandonagh; the family of Kyle parish, also in Laois, served as keepers of the Bell of St Molua.
Another line of derivation is from the name Ó Doignéin, a patronymic form of Doigné, a personal name meaning “harmless.” In some areas the surname arises from the Anglicised Mac Egan, itself derived from the Gaelic Mac Aodhagáin. This form was associated with a sept of the Corca Laoidhe in County Kerry that played a prominent role in southwestern Irish politics.
Geographically, the surname is most common in Ireland, particularly in County Meath, Dublin, Cork and Limerick, but it is also found throughout the island, including the Midlands, Fermanagh and Clare. The Fitzpatrick family, as well as the Deegan clan of Kyle, appear in parish registers from the nineteenth century, such as the 1864 christening of Catherine Deighan’s daughter in Kilmore, County Monaghan; and the 1865 registration of James Deighan’s son in Eglinton, Londonderry.
The nineteenth‑century Great Famine and subsequent political turbulence prompted widespread emigration, carrying the name to Britain, continental Europe, the Americas, and Australasia. The United Kingdom Office for National Statistics recorded a population of more than 2,300 people using the surname in the 2011 Census. In the United States, the 2000 Census reported over 10,000 individuals bearing the name, with concentrations in larger metropolitan areas such as New York and Boston. Significant populations also exist in Canada, Australia, New Zealand, and the United Kingdom, where the name has achieved a measure of recognisability in English‑speaking communities.
In terms of pronunciation, the Irish form is generally articulated with a soft g (dee‑g‑en), whereas the American pronunciation often uses a hard g (dee‑g‑en). This variation reflects differences in local dialects and the anglicisation processes that occurred during migration.
Typical given names associated with the Deegan surname
Male
- Anthony
- Christopher
- Edward
- James
- John
- Kevin
- Mark
- Matthew
- Michael
- Paul
- Robert
Female
- Amanda
- Anne
- Catherine
- Claire
- Elizabeth
- Emma
- Geraldine
- Helen
- Jane
- Margaret
- Mary
- Patricia
- Paula
- 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 Deegan in...
Braille
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Morse
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There are approximately 1,933 people named Deegan in the UK. That makes it roughly the 4,333rd most common surname in Britain. Around 30 in a million people in Britain are named Deegan.
Origin: Celtic
Region of origin: British Isles
Country of origin: Ireland
Religion of origin: Christian
Language of origin: Gaelic
Famous people named Deegan
- Jim Deegan -
Names and descriptions courtesy of Wikipedia, and may contain errors. This is not intended to be an exhaustive list of every famous person with this name.