Boy name origins & meanings Irish : Secluded wooded valley Boy name variations Glen Glenn Glenard Glenon Glendon Glean Gleann Glennie Glennis Glenny Family name origins & meanings Irish (Leinster) : reduced Anglicized form of Gaelic Mag Leannáin ‘son of Leannán’, a byname from leann ‘cloak’.
