Dailey is a surname with roots in both the Gaelic tradition of the Irish and the locational heritage of the French Huguenot diaspora. The form is attested across the British Isles, notably in England, where the name also connects to English place-names and the historical Domesday Book.

The primary origin of Dailey traces back to the Gaelic patronymic Ó Dálaigh, meaning “descendant of Dálaigh.” The personal name Dálaigh derives from the term dálach, which translates as “assembly” or “meeting.” Members of the O'Dálaigh clan were well known throughout Ireland from the twelfth to the eighteenth century, serving as poets and bards who produced a substantial body of historical tracts and literary works. The clan’s scholarly activities are linked to a college founded in Westmeath by Connacht O'Dálaigh in the thirteenth century, a foundation that helped spread the O'Dálaigh name and its literary patronage among the leading Gaelic families.

In contrast, a second, geographically distinct origin of Dailey is the French locational surname derived from places named Oilly in the Calvados region. Those ties are most likely associated with Huguenot Protestant refugees who adopted a form of the name that became anglicised to Dailey. The place name Oilly is believed to come from the Romano‑Gallic personal name Ollius or Ollium, a form that may also have been conflated with the personal name William, implying a sense of “strength of will.”

Christianity has been the predominant faith among bearers of the surname, and the primary language of those who carry the name today is English. A number of early record entries exist, including the christening of James Dailey at St. Mary’s Whitechapel in London on 20 July 1701, the baptism of Samuel Daley of Clones, County Monaghan, on 24 June 1757, and the earliest mention of the family in England in the Domesday Book for the year 1086 under the name Robert de Oilyi.

It is a widely recorded fact that a large quantity of the original Irish charters and manuscripts containing the name and its associated works were destroyed in 1917 when the Irish Republican Army detonated a bomb within Dublin’s archives. Consequently, the surviving documentation of the name’s early history is limited to the few church registers and surviving academic references listed above.

Typical given names associated with the Dailey surname

Male

  • Brian
  • Christopher
  • James
  • John
  • Jonathan
  • Kenneth
  • Mark
  • Matthew
  • Paul
  • Robert
  • Steven
  • Thomas
  • William

Female

  • Angela
  • Anna
  • Carolyn
  • Christine
  • Jacqueline
  • Julia
  • Linda
  • Lisa
  • Mary
  • Maureen
  • Sandra
  • Sarah
  • Sonia
  • Susan

Similar and related surnames

Related and similar names are generated algorithmically based on the spelling, and may not necessarily share an etymology.

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There are approximately 513 people named Dailey in the UK. That makes it one of Britain's least common surnames. Only around eight in a million people in Britain are named Dailey.

Surname type: Location or geographical feature

Origin: English

Region of origin: British Isles

Country of origin: England

Religion of origin: Christian

Language of origin: English

The Genealogist - UK census, BMDs and more online

Famous people named Dailey

  • Jimmy Dailey - Scottish football player (1927 to 1)
  • Doug Dailey - Racing cyclist
  • Allan Dailey - Scottish professional golfer

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.

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