The surname Feehan is of Gaelic Irish origin and is historically associated with the Celtic peoples of the British Isles. Its earliest recorded form derives from the medieval Irish patronymic Ó Fiacháin, signifying “descendant of Fiachán.” The personal name Fiachán is itself a diminutive of fiach, the Irish word for raven, a creature that was often revered in ancient Celtic lore as a portent of change and wisdom.

Alternative scholarly interpretations link the surname to the Gaelic Ó Fíodhna, which stems from the term fiodhnach meaning “woodlander” or “ranger.” The foundational personal name fiodhna conveys notions of gentility and martial prowess, suggesting that bearers of the name may have been regarded as mountain or forest guardians within their communities.

Historical records place the majority of early Feehan families in County Tipperary, with additional concentrations in County Cork, County Meath and County Kilkenny during the Middle Ages. The name also appears in the 14th‑century annals as Phillip O' Fethan, who was convicted of robbery in Tipperary in 1359, and as Teag MacNicholas O' Feehan granted pardon in 1601 after declaring loyalty to the English crown. By the mid-19th century, census data recorded only about fifty householders of the surname in Tipperary, underscoring its rarity even then.

Throughout the centuries, the spelling of the surname has varied widely. Documented variants include O' Fegan, O' Feehan, Feehan, Fegan, Fiaidhaan, Feenan, Feehane, Feein, Fien, Finnan, Feeney, Finey and others. Such orthographic differences often reflected local dialects or attempts by emigrants to assimilate into new linguistic environments. In County Cork and County Waterford the spelling Feyhan appears in 16th‑century registers, while in County Kerry it is sometimes rendered as Pheenan and in County Antrim as Fihan. Variants also emerge outside Ireland, for example Feeney, Finey in the United States and Feehane in Scotland.

In contemporary times the name remains principally Irish, with 4,591 individuals recorded in the most recent Republic of Ireland census. This places the surname at approximately the 255th most common position nationwide, with its highest concentrations found in Counties Mayo, Cork and Limerick. Internationally, the name has spread through emigration to the United Kingdom, United States, Canada and Australia, where smaller communities of Feehan descendants can be found.

Typical given names associated with the Feehan surname

Male

  • Anthony
  • David
  • James
  • John
  • Kevin
  • Martin
  • Matthew
  • Michael
  • Patrick
  • Paul
  • Peter
  • Richard

Female

  • Amanda
  • Angela
  • Carol
  • Elizabeth
  • Frances
  • Heather
  • Jacqueline
  • Karen
  • Lisa
  • Margaret
  • Mary
  • Paula
  • Sarah

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 637 people named Feehan in the UK. That makes it one of Britain's least common surnames. Only around ten in a million people in Britain are named Feehan.

Origin: Celtic

Region of origin: British Isles

Country of origin: Ireland

Religion of origin: Christian

Language of origin: Gaelic

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