Darcy Family History
Darcy Surname Meaning
English (Lancashire) and Irish: of Norman origin a habitational name from Arcy in Manche France with fused preposition d(e) ‘from’. Irish: in Ireland this is generally the Norman name established in Meath by Sir William D'Arcy in the 1360s.
However, it was also adopted for Ó Dorchaidhe ‘descendant of the dark one’ from dorcha ‘dark gloomy’. This was a Connacht name that fell together with the Norman surname.
The Norman surname was introduced by Sir William D'Arcy and Sir John D'Arcy, Chief Justiciar of Ireland in the 14th century.
Source: Dictionary of American Family Names 2nd edition, 2022
