What is the origin of the last name Connelly?

The last name Connelly originates from the Gaelic name Ó Conghalaigh, meaning "descendant of Conghalach." This Gaelic name derives from the personal name Conghalach, which is composed of the elements "cong," meaning "war" or "battle," and "gal," meaning "valor" or "courage." The Connelly surname has ancient Irish roots and is predominantly found in Ireland and Scotland, reflecting the migratory patterns of the Gaelic people throughout history.

Countries of origin for the last name Connelly


Interesting facts about the last name Connelly

  • The surname Connelly is of Gaelic origin and is derived from the Irish name “Ó Congnáile,” meaning “descendant of Congall.”
  • It is believed that the surname originated in County Roscommon in Ireland.
  • Connelly is a patronymic surname, indicating that it was initially based on the name of the father or ancestor.
  • The name is commonly spelled as Connelly in the United States, while variations include Connolly, Conley, and O’Connolly.
  • Throughout history, individuals bearing the surname Connelly have been prominent in various fields, such as literature, sports, and politics.
  • The Connelly family played a significant role in the Land War (1879-1882), an Irish agrarian agitation against landlords.
  • In Ireland, the Connelly family is associated with the province of Ulster, particularly in counties Donegal and Tyrone.
  • The surname Connelly has also been found among Irish immigrants in countries like Australia, Canada, and the United Kingdom.
  • The Connelly Coat of Arms features a silver shield with a green chevron between in chief a red hand couped at the wrist and in base a bunch of grapes, all proper.
  • Several notable fictional characters bear the surname Connelly, including detective Harry Bosch in Michael Connelly’s crime novel series.

Name Rank


There are around 23398 people with the last name Connelly in the US

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