The 93rd Regiment of Foot was a Line Infantry

Infantry

Infantrymen are soldiers who are specifically trained for the role of fighting on foot to engage the enemy face to face and have historically borne the brunt of the casualties of combat in wars. As the oldest branch of combat arms, they are the backbone of armies...

 Regiment of the British Army

British Army

The British Army is the land warfare branch of Her Majesty's Armed Forces in the United Kingdom. It came into being with the unification of the Kingdom of England and Scotland into the Kingdom of Great Britain in 1707. The new British Army incorporated Regiments that had already existed in England...

 . In 1881 during the Childers Reforms

Childers Reforms

The Childers Reforms restructured the infantry regiments of the British army. The reforms were undertaken by Secretary of State for War Hugh Childers in 1881, and were a continuation of the earlier Cardwell reforms....

 it was united with the 91st (Argyllshire Highlanders) Regiment of Foot to form the Argyll and Sutherland Highlanders (Princess Louise's) .
The 93rd Regiment was raised three times before it became the Sutherland Highlanders.
The 1st Sutherland Fencibles were raised 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...

 from the area of Sutherland

Sutherland

Sutherland is a registration county, lieutenancy area and historic administrative county of Scotland. It is now within the Highland local government area. In Gaelic the area is referred to according to its traditional areas: Dùthaich 'IcAoidh , Asainte , and Cataibh...

 and Caithness

Caithness

Caithness is a registration county, lieutenancy area and historic local government area of Scotland. The name was used also for the earldom of Caithness and the Caithness constituency of the Parliament of the United Kingdom . Boundaries are not identical in all contexts, but the Caithness area is...

 in 1759 and disbanded in 1763 by Lord Reay.

1779: 2nd Sutherland Fencibles raised by Elizabeth, Countess of Sutherland

Elizabeth Leveson-Gower, Duchess of Sutherland

Elizabeth Sutherland Leveson-Gower, Duchess of Sutherland , also suo jure 19th Countess of Sutherland, was a Scottish peeress, best remembered for her involvement in the Highland Clearances....

 (done in practice by Lt.