TheNameDBGlennon
PatronymicMeaning
Derived from the Irish 'Ó Flainn' or similar Gaelic origins, possibly meaning 'descendant of Flann'.
Etymology
The surname likely derives from an Irish Gaelic patronymic, with 'Glennon' representing an anglicized form of an older Irish name. The exact Gaelic root and its meaning require further research.
About the Glennon Surname
An Irish surname with Gaelic roots, likely patronymic in origin. The surname is well-established in Irish and Irish-American communities.
Distribution
Primarily found in Ireland and among Irish diaspora communities, particularly in North America.
Notable Bearers
James H. Glennon (Archbishop); various Irish and Irish-American families