The surname Cassidy first appeared in Ireland, it´s derived from the Anglized form of Gael. Though it cannot be determined with great certainty, the surname Cassidy is most likely derived from the two words “cas” and “curly”.. We found more information regarding this Last Name also in other historical archives. Over the centuries the name Cassidy may have had many changes and the present form, according to our studies, appears to be different from the original. It is important to realize that the name may have gone through dialect variations, contractions, shortened forms of the original one, lenitions, errors due to incorrect transcriptions and voluntary changes. Therefore, we believe that the surname Cassidy came originally from Cassi…
Coat of arms: Per chevron argent and gules two lions rampant i…