Clan Macruari was a Scottish clan. The founder of Clan Macruari is Ruaidhri mac Raghnaill

Ruaidhri mac Raghnaill

Ruaidhri mac Raghnaill was a 13th-century Scottish magnate. The son of Raghnall, son of Somerled, he appears to have spent his career fighting, in both Ireland and in Scotland...

, a son of Raghnall mac Somhairle

Raghnall mac Somhairle

Ragnall mac Somairle, or Ragnall son of Somairle, was a late 12th century and possibly early 13th century magnate, seated on the western seaboard of Scotland. He was likely a younger son of Somairle mac Gilla Brigte, Lord of Argyll and his wife, Ragnhildr, daughter of Óláfr Guðrøðarson, King of...

 who was a son of Somhairle mac Gillebride. The lands of Clan Macruari were in Bute

Isle of Bute

Bute is an island in the Firth of Clyde in Scotland. Formerly part of the county of Buteshire, it now constitutes part of the council area of Argyll and Bute. Its resident population was 7,228 in April 2001.-Geography:...

, Uist

Uist

Uist or The Uists are the central group of islands in the Outer Hebrides of Scotland.North Uist and South Uist are linked by causeways running via Benbecula and Grimsay, and the entire group is sometimes known as the Uists....

, Barra

Barra

The island of Barra is a predominantly Gaelic-speaking island, and apart from the adjacent island of Vatersay, to which it is connected by a causeway, is the southernmost inhabited island of the Outer Hebrides in Scotland.-Geography:The 2001 census showed that the resident population was 1,078...

, Eigg

Eigg

Eigg is one of the Small Isles, in the Scottish Inner Hebrides. It lies to the south of the Skye and to the north of the Ardnamurchan peninsula. Eigg is long from north to south, and east to west. With an area of , it is the second largest of the Small Isles after Rùm.-Geography:The main...

, Rùm

Rùm

Rùm , a Scottish Gaelic name often anglicised to Rum) is one of the Small Isles of the Inner Hebrides, in the district of Lochaber, Scotland...

, and Garmoran

Garmoran

Garmoran is an area of western Scotland. It lies at the south-western edge of the present Highland Region. It includes Knoydart, Morar, Moidart, Ardnamurchan, and the Small Isles....

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Ruaidhri mac Raghnaill, the progenitor of the clan, had two sons, Dubhghall and Ailean

Ailean mac Ruaidhri

Ailean mac Ruaidhri, also known as Alan, was the son of Ruaidhri mac Raghnaill and brother of Dubhghall mac Ruaidhri. He fought on the side of Haakon IV of Norway for control of the Hebrides against other Scottish claimants....

. In 1263 the clan sided with the forces of King Haakon IV of Norway

Haakon IV of Norway

Haakon Haakonarson , also called Haakon the Old, was king of Norway from 1217 to 1263. Under his rule, medieval Norway reached its peak....

 and King Magnus III of Man

Magnus III of the Isle of Man

Magnús Óláfsson was a mid 13th century Manx-Hebridean king, the son of Óláfr Guðrøðarson, King of the Isles. Magnús and Óláfr descended from a long line of Norse-Gaelic kings who ruled the Isle of Mann and parts of the Hebrides. Several leading members of the Crovan dynasty, such as Óláfr, styled...

 against King Alexander III of Scotland

Alexander III of Scotland

Alexander III was King of Scots from 1249 to his death.-Life:...

, with the clan participating in the Battle of Largs

Battle of Largs

The Battle of Largs was an engagement fought between the armies of Norway and Scotland near the present-day town of Largs in North Ayrshire on the Firth of Clyde in Scotland on 2 October 1263. It was the most important military engagement of the Scottish-Norwegian War. The Norwegian forces were...

. Dubhghall died without male issue and was succeeded by his brother Ailean. His estate was inherited by his daughter Christina of Garmoran

Christina of Garmoran

Christina of Garmoran also known as Christina MacRuari, Christina of Mar and Christiana of the Isles was a 14th century Scottish noblewoman who was the legitimate child of Ailin mac Ruaidhri, Lord of Garmoran and chief of Clan Macruari...

 who then resigned her lands to her brother Ruaidhri mac Ailean. Ruaidhri had two sons Raghnall mac Ruari, Ailean mac Ruari and a daughter Amie nic Ruari, who became the first wife of John of Islay, Lord of the Isles

John of Islay, Lord of the Isles

John of Islay was the Lord of the Isles and chief of Clan Donald. In 1336, he styled himself Dominus Insularum, "Lord of the Isles"; because this is the first ever recorded instance of the title in use, modern historians count John as the first of the later medieval Lords of the Isles, although...

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Ruaidhri was forfeited of his lands for treason in 1325 by King Robert I of Scotland

Robert I of Scotland

Robert I , popularly known as Robert the Bruce , was King of Scots from March 25, 1306, until his death in 1329.His paternal ancestors were of Scoto-Norman heritage , and...

 after supporting Edward Baliol but in 1344 his son Raghnall was pardoned and confirmed in his fathers previous possessions. Raghnall was assassinated near Perth

Perth, Scotland

Perth is a town and former city and royal burgh in central Scotland. Located on the banks of the River Tay, it is the administrative centre of Perth and Kinross council area and the historic county town of Perthshire...

 in October 1346 at Elcho Nunnery as the result of a quarrel with Uilleam III, Earl of Ross

Uilleam III, Earl of Ross

Uilleam III of Ross was the fourth successor of Ferchar mac in tSagairt, as Mormaer of Ross .Uilleam came into his inheritance at a torrid time, his father Aodh dying at the Battle of Halidon Hill. Uilleam temporarily lost many of his lands. However, he returned from Norway in 1336 and regained them...

and the Macruari lands passed to Amie. Not much is known about Ailean mac Ruari.