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| Origins Available: |
| | Ireland |
The surname Killilea comes from the original Irish Mac Giolla Leith, meaning son of a devotee of Leith.
The surname Killilea was first found in County Galway (Irish: Gaillimh) part of the province of Connacht, located on the west coast of the Island, where the MacGiolla Leith belong to the Clan of Ui Maine.
This web page shows only a small excerpt of our Killilea research. Another 50 words (4 lines of text) are included under the topic Early Killilea History in all our PDF Extended History products and printed products wherever possible.
Spelling variations of this family name include: MacKillilea, Killilea, MacGillilea, Killileagh and many more.
Prominent amongst the family at this time was