McLeod is a Scottish surname, the anglicized form of the Gaelic MacLeòid, meaning "son of Leod". The given name Leod derives from the Old Norse Ljótr, meaning "ugly" or "scary" – an example of a byname that may have been given ironically or for protection.EtymologyThe surname originates from the Scottish Gaelic MacLeòid ("son of Leod"). The personal name Leod comes from Old Norse Liótr, itself from the adjective ljótr meaning "ugly, frightful". This pattern of identifying someone by a negative physical trait was common in Norse naming traditions.Historical ContextMcLeod is intimately tied to the Scottish Highlands, particularly the Hebrides, where the MacLeod clan held sway from the 13th century onward. The Leod in question is traditionally said to be a 13th-century son of King Olaf of Man.Notable BearersNotable individuals with the surname McLeod include John McLeod (1770–1838), a Scottish American politician; Christopher McLeod (born 1968), a British businessman; and Harold C. McLeod (1920-2010), a Rear Admiral in the Canadian Forces.Cultural SignificanceMcLeod is famously rendered in Scottish Gaelic as MacLeòid. The name also refers to a co-combination tool created in 1905 by US Forest Service ranger Malcolm McLeod – a sharp-bladed adze on one sideMeaning: "son of Leod" (with Leod from Old Norse meaning "ugly")Origin: Scottish, Scottish GaelicType: Clan surnameUsage: Historically Scottish Highlands, now global