Dorsey Is A Gender-neutral Name With Multiple Origins. Although A Bit Of A Mystery, Its Most Likely A Respelling Of The Irish Name Darcy And The Surname ÓDorchaidhe. Together, Theyre Blessed With The Captivating Meaning "descendant Of The Dark," "dark-haired," And Sometimes Just "dark." Your Little One Is Destined To Embrace Their Dark Side And Live Their Best Life At Night! Dorsey May Also Be Rooted In The French Surname Darcy, Which Means "of Arcy" In Tribute To A Village In The Region Of La Manche.