Gilleasbaig is a masculine given name

Given name

A given name, in Western contexts often referred to as a first name, is a personal name that specifies and differentiates between members of a group of individuals, especially in a family, all of whose members usually share the same family name...

 in the Scottish Gaelic language. The traditional form of the name is Gilleasbuig. Another form of the name is Gille Easbaig. The names mean "servant of the bishop

Bishop

A bishop is an ordained or consecrated member of the Christian clergy who is generally entrusted with a position of authority and oversight. Within the Catholic Church, Eastern Orthodox, Oriental Orthodox Churches, in the Assyrian Church of the East, in the Independent Catholic Churches, and in the...

". An early bearer of the name was the founder of Clan Campbell

Clan Campbell

Clan Campbell is a Highland Scottish clan. Historically one of the largest, most powerful and most successful of the Highland clans, their lands were in Argyll and the chief of the clan became the Earl and later Duke of Argyll.-Origins:...

. An Anglicised form of the name is Gillespie

Gillespie

Gillespie is both a masculine given name, and a surname in the English language. It is an Anglicised form of the Irish language Mac Giolla Easpaig and the Scottish Gaelic Mac Gille Easbuig, which are patronymic forms of a byname which means "servant of the bishop". In Ireland the Gillespie sept...

; the name is also Anglicised as Archibald, however this name is etymologically unrelated.

People with the name

Gilleasbaig

• Gilleasbaig of Menstrie
  Gilleasbaig of Menstrie
  Gille Escoib or Gilleasbaig of Menstrie is the earliest member of the Campbell family to be attested in contemporary sources, appearing in royal charters dating to the 1260s. His existence is confirmed by later Campbell pedigrees. According to these genealogies, he was the son of a man named...
  
  , (fl.1260), the earliest member of Clan Campbell on record

Gilleasbuig

• Gilleasbuig Macmillan
  Gilleasbuig Macmillan
  Gilleasbuig Iain Macmillan, is a minister of the Church of Scotland. Since 1973 he has served as Minister of St Giles' Cathedral, in Edinburgh, Scotland, which is sometimes described as the mother church of Presbyterianism. He is Dean of the Thistle and a Chaplain to Queen Elizabeth II...
  
  , a Scottish Church of Scotland minister.