Ó Conghalaigh

It derives from the forename Conghal, meaning "fierce as a hound".

They included: In 1890 the surname was the twenty-third most common in Ireland, with three hundred and eighty-one births of the name, mostly in Ulster.

The variant Conneely was found exclusively in Connacht in 1890, with most occurrences in County Galway, giving Ballyconneely its name.

They were instrumental in organising the native Irish Rebellion of 1641 and, following its failure, lost their power and possessions."

Descendants of the Ó Conghalaigh of Iar Connacht include TG4 presenter Eibhlín Ní Chonghaile; musicians John Conneely and Johnny Óg Connolly; sportspersons Aislinn Connolly, Joe Connolly, Michael Conneely and Seamus Conneely; Mayors of Galway Catherine Connolly, Martin Connolly and Pádraig Conneely; scribe Micheál Ó Conghaile; writers Micheál Ó Conghaile (writer) and Seán Ó Conghaile.