William Connellan, born in Cloonmahon, County Sligo, fl. mid-17th century.

Connellan was a harper, who may or may not have composed the tune Caoineach Luimnigh (the lament for Limerick). He was well known in Scotland

Scotland

Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

, where he travelled extensively. There his version of Luimnigh became Lochabar No More. He is also credited with Love's A Tormenting Pain, and probably Killiecrankie. His brother was the composer Thomas Connellan

Thomas Connellan

Thomas Connellan was an Irish composer.Connellan was born about 1640/1645 at Cloonmahon, County Sligo. Both he and his brother, William Connellan became harpers...

.

Arthur O'Neill

Arthur O'Neill

Arthur Edward Bruce O'Neill , was an Irish Ulster Unionist Party politician who was the first MP to be killed in World War I...

 (1734-1818) refers to William in his memoirs:

• I heard much of his brother William Connellan, who was a famous harper and a fine composer. He died in the county of Waterford.