English
The surname 'Gleeson' originates from Ireland. It is a variant of the name 'Gleesan', in itself Anglicised in the Gaelic form 'O'Glasain' meaning 'descendant of Glasan', a personal name from a diminutive of the word 'glas' meaning 'grey', 'green', 'blue'. Compiled information from Historical and Private archive's has confirmed that the surname 'Gleason' and or it's variant's, dates as far back as the seventeenth century were it is commonly found in the Counties of Cork, and Kerry, from the thirteenth century.Historical archive's have been unable to definitely determine the exact period of settlement in North America but It is believed that the forefather's of this surname were part of the exodus of migrants that followed the Treaty of Peace signed in Paris in 1763, when great Britain obtained ownership of the whole of North America east of the Missisipi River excepting New Orleans. The chief reasons causing working class people to emigrate were, poor crop yields, high unemployment, and the misconception that America was a land of golden opportunity. It is has been estimated that after 1769 some 20,000 persons a year migrated to the Americas from the British Isles. Today, 'Gleason' is the 'One Thousand and Sixty Fourth' most common surname in North America.