Lacy Family History
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Lacy Name Meaning
English and Irish (of Norman origin): habitational name from Lassy in Calvados, named from a Gaulish personal name Lascius (of uncertain meaning) + the locative suffix -acum. The surname is widespread in Britain and Ireland, but most common in Nottinghamshire. In Ireland the family is associated particularly with County Limerick.
Source: Dictionary of American Family Names ©2013, Oxford University Press