The surname Kielty is of Irish origin and derives from Gaelic roots. It is a patronymic name originating from the Old Gaelic Ó Caoilte or Mac Giolla Chaoilte. The prefix Ó indicates great-grandson or male descendant, while Mac Giolla means “son of the servant”, and Caoilte is a byname that appears to be a diminutive of the Irish word caol meaning “slender” or “narrow”. The Gaelic personal name Caoilte may have been applied either as a nickname for a thin person or, in some accounts, as a topographical reference to someone living in a wooded area (from coillte, woods).

Historical documents give evidence of early bearers of the name. The first recorded spelling is O'Kilte, appearing in the Justiciary Roll of County Limerick in 1313, during the reign of King Edward I (known as Edward of Caernavon) between 1307 and 1327. In the 19th century, parish registers note further occurrences: on 6 June 1848 a birth was recorded in Ballinderry, County Derry, and on 15 June 1865 a daughter was born to Pat Kielty and Margaret Dilon in Aughrim, County Roscommon.

As the name was anglicised, it has produced a number of variants, including Quilty, Keelty, Keeltagh and O'Kielt. Each spelling tends to be associated with particular regions of the Irish Republic. The Quilty form is mostly found in Munster, especially County Limerick, whereas the Kielty and Keetlty forms have a wider distribution in Connacht. The variants Kiety, Keeltagh and O'Kielt are occasionally seen in Ulster, where they are linked to the clan of the ancient Uí Néill.

The surname is most frequently found in County Mayo, although it is also well represented in the eastern counties of Dublin, Louth and Wicklow, as well as in the provinces of Leinster and Connacht. According to recent statistics, the name ranks in the lower one percent of surnames worldwide, and lies within the top eight per cent of Irish surnames. It therefore remains a comparatively common surname for those living in the Republic of Ireland.

During the 19th‑century wave of emigration from Ireland, bearers of the name settled across Britain and in the Atlantic world. Populations of the Kielty surname are now recorded in Scotland, Canada, the United States (particularly the states of Massachusetts, New York and Pennsylvania) and Australia. In continental Europe the name appears in Germany and the United Kingdom under variations such as Keilty, Keelty and Kealty.

Some genealogical accounts link the name to early Gaelic royalty. One tradition states that the earliest known direct ancestor of the family was a princess, the daughter of the last high‑prince of Ulster, Cathbadh, also known as Cadhla. Other traditions record the name as a descendant of Coileáin, a personal name meaning “little pack‑horse” or, more commonly, “bundled” in the sense of a link between “little” and “strength” – but these remain unverified by contemporary documents.

The heraldic bearings associated with the name describe a white shield adorned with a red fleur‑de‑lis and a crest of an ornate gold helmet topped by a beaver. The fleur‑de‑lis is interpreted as a symbol of strength and courage, and the beaver crest is said to denote loyalty and steadfastness. These arms, however, belong to a particular family line rather than the surname as a whole, and are not universally adopted by all bearers of the name.

Well aware of their heritage, many current bearers of the Kielty name continue to identify with the cultural backdrop of the Emerald Isle, whilst also embracing the broader diasporic experience that has spread the name worldwide with the decline of rural communities and the industrial boom in northern Ireland, Scotland and England.

Typical given names associated with the Kielty surname

Male

  • David
  • Gerard
  • James
  • John
  • Michael
  • Patrick
  • Paul
  • Robert
  • Sean
  • Stephen
  • Vincent

Female

  • Catherine
  • Elizabeth
  • Ella
  • Grainne
  • Helen
  • Jane
  • Jennifer
  • Laura
  • Louise
  • Margaret
  • Mary
  • Nicola
  • Ruth
  • Sarah
  • 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 550 people named Kielty in the UK. That makes it one of Britain's least common surnames. Only around eight in a million people in Britain are named Kielty.

Origin: Celtic

Region of origin: British Isles

Country of origin: Ireland

Religion of origin: Christian

Language of origin: Gaelic

The Genealogist - UK census, BMDs and more online

Famous people named Kielty

  • Patrick Kielty - Irish comedian and television personality

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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