McGregor is a surname of Scottish origin, a variant of MacGregor. The name is an Anglicized form of Gaelic MacGriogair, meaning "son of Gregor." The prefix Mac (also found as Mc) denotes "son of" in Gaelic, making McGregor a patronymic surname. Origins and Etymology The root of the name is the personal name Gregor, a Scottish form of Gregory, which derives from the Greek Γρηγόριος (Gregorios) meaning "watchful" or "alert." This name was popular among early Christians in the Byzantine and Western worlds, reflecting the virtue of vigilance. The surname McGregor therefore traces back to a founder named Gregor, likely a forebear of the powerful Clan Gregor (also known as Clan MacGregor) from the Scottish Highlands. The clan's history is turbulent. The MacGregors were notoriously rebellious against the Scottish crown, resulting in the name being proscribed by law in 1603 under James VI. After their clan was outlawed, many MacGregors—and their kin known as McGregors—fled or changed their names to survive. The proscription was repealed in 1774, allowing many to reclaim their ancestral surname. This history is part of why variant spellings like McGregor emerged alongside MacGregor. Geographical Spread McGregor and its variants appear widely in Scotland and in Scottish diaspora communities. The name also occurs as a place name in several locations, including McGregor in the Western Cape of South Africa, a census-designated place in Lee County, Florida, and an unincorporated community in Minnesota, USA. These toponyms likely derive from settlers bearing the name. Notable Bearers While the most famous bearer of the MacGregor name may be the folk hero Rob Roy MacGregor (1671–1734), the McGregor form is associated with several prominent figures. In modern times, notable McGregors include: Conor McGregor (born 1988), Irish mixed martial artist and boxer, former UFC featherweight and lightweight champion. Ewan McGregor (born 1971), Scottish actor best known for roles in Trainspotting and Star Wars prequels. Douglas McGregor (1906–1964), American management theorist known for Theory X and Theory Y. Variants and Related Names The surname has numerous variants in spelling and cognates in other languages. These include: MacGregor, MacGriogair (Scottish Gaelic) Gregor, McGregory Foreign counterparts: Grigoryan (Armenian), Grigorov (Bulgarian), Grgić (Croatian), and more, which share the same etymological root from Gregory. Cultural Significance McGregor remains a popular surname in English-speaking countries, especially where Scottish heritage is recognized. Its association with the robust and storied Clan MacGregor keeps it connected to the romantic image of the Highland clans, but it also stands as a symbol of resilience, having endured historical blacklisting. The wealth of variations across cultures—from Scottish to Armenian to Slavic—attests to the widespread legacy of the name Gregory. Meaning: Variant of MacGregor, "son of Gregor" (watchful/alert). Origin: Scottish Gaelic. Type: Patronymic surname. Usage regions: Scotland, Irish and Scottish diaspora, English-speaking countries.