If you are conducting some Costello family history research then you can view the Costello coat of arms and the name meaning and origin of the name as well as the meaning of symbols below. This is a great place to start when tracing your genealogy and Costello surname history and will help you answer the question 'what is the meaning of my name?'
The name Costello in Ireland is
of Anglo-Norman origin deriving
from the de Nangle family who were
based in the Province of Connaught.
The family adopted the Gaelic name
Mac Oisdealbhaigh and the Sept
name eventually became anglicized
as Costello. The majority of
descendants can still be found in
the West of the country.
A Sept is an ancient Clan-like collective describing a group of persons whose immediate ancestors bore a common surname and inhabited the same territory.
|Azure/Blue||Represents Loyalty and Truth.|
|Lozenge||Denotes Honesty and Constancy|
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