McClure (surname) hard and vigorous a “clur.” This expression is still commonly used in Ireland. McClure (surname) McClure is a surname with several origins. One origin of the name is from the Scottish Gaelic "MacGilleUidhir", and Irish "Mac Giolla Uidhir", which probably mean "son of the pale one” or “son of the cold one.” Another origin of the name is from the Scottish Gaelic "MacGilleDheòradha", and the Irish "Mac Giolla Dheóradha", which mean "son of the servant of the pilgrim". In the Scottish clan system, McClures are a sept of Clan MacLeod of Dunvegan. Famously, an Irish king with the surname McClure
Crowley (surname) three-quarters of the family originating from there. The Irish "O Cruadhlaoich" or "Ua Cruadhlaoich", a Gaelic name meaning "descendant of the hard hero" or "descendant of the hardy warrior", was anglicised to "Crowley" or "O'Crowley". Variants include Crawley, Crowly, O'Crowley, Croaley, Croawley, O'Crowly and many more. Crowley (surname) The Irish surname Crowley was first found in Moylurg, in the County Roscommon, where they started as a branch of the MacDermots. It is from Teige, a Prince of Moylurg, down to Cruadhlaoch that the line of descent for the Crowleys begins. A junior branch of the Crowley family also emerged and