Quick answer
D'Arcy is a boy/girl name.
Pronunciation: American English /ˈdɑɹ.si/; British English /ˈdɑː.si/.
Meaning and history
From an English surname that was derived from Norman French d'Arcy, originally denoting one who came from the town of Arcy in La Manche, France. This is the surname of a character, Fitzwilliam Darcy, in Jane Austen's novel Pride and Prejudice (1813).
Notes and context
Usage: english