As described in historical dictionaries

Patronymica Britannica (1860)

UNIACKE. The family are traditionally descended from the Fitz -Geralds, springing from the Desmond branch of that mighty house. The following is said to be the origin of the name : — " In the skirmishes which were constantly taking place between the rival houses of Fitz-Gerald and Butler, a service attended with great danger being 2 z

Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.


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