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Gleann Cuilinn

Glencullen
Valley of holly
Gleann Cuilinn, meaning 'valley of the holly,' takes its name from the cuileann (holly plant) that once flourished in the glen. The etymology is well-established across multiple independent sources: logainm.ie confirms the breakdown as 'gleann' (valley) plus 'cuilinn' (holly), with historical records documenting the place name in various forms dating to 1225 ('Clentunil'), 1313 ('Clemculin'), 1...

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