Family Coat of Arms design. The Delaney Coat of Arms features three fish. The Delaney Family Crest is a Stag. Delaney is an Irish surname derived from the Gaelic Ó Dubhshláine, Dubh meaning black and Sláine for the River Slaney. The Delaney surname and the Delaney Coat of Arms are common sights in Ireland. Lightweight, Classic fit, Double-needle sleeve and bottom hem