Costello (surname)

Costello
Pronunciation /kəˈstɛl/ or (especially in Ireland) /ˈkɒstəl/ or kɒ̀stɛ́lo in Italian
Language(s) English and Italian
Origin
Language(s) Irish and Latin
Word/Name Mac Oisdealbhaigh and Castellum
Meaning "son of Oisdealbhach (Os-shaped, shaped like the god Os or shaped like god cf. os)" and "small Roman detached fort or fortlet used as a watch tower or signal station"
Other names
Cognate(s) Mac Oisdealbh, Mac Goisdelbh, Mac Coisdealbhaigh
See also Mac Coisteala and Castrum

Costello is an Irish and Italian surname in the English language.

The surname has been borne by a notable Irish family who claimed descent from Jocelyn de Angulo (fl. 1172), Anglo-Norman knight. The family first appears on record in Ireland in 1193, when the Annals of the Four Masters state: Inis Clothrann do orgain la macaibh Oisdealb, & la macaibh Conchobhair Maonmaighe. (Inishcloghbran was plundered by the sons of Osdealv, and the sons of Conor Moinmoy.)[1]

In Italy, the name originated in the Campania region and in Sicily but is now more prevalent in the northern regions of Italy. Its origins as a surname are from the medieval Latin name "Costellus". It is related to Costa, a more common Italian surname, as its diminutive. http://www.ganino.com/cognomi_italiani_c

Oistealb or Osdealv was the Gaelic rendering of Jocelyn.[2] The sons of Jocelyn were Philip, Gilbert, and William de Angulo. The descendants of William de Angulo (or Mac Costello) settled in Connacht and the name became Gaelicized, dropping the surname de Angulo in favor of Mac Oisdealb, or Mac [C]ostello.[2] The barony of Costello in east Mayo is named from this family

In Italian heraldry the title originated with the appointment of Michele (Costello) as the Consul of Belluno in northeastern Italy in 1378.[3]

It occasionally has been adopted as a pseudonym or stage name by famous people of Italian descent, including Al Costello (né Giacomo Costa), Frank Costello (né Francesco Castiglia), and Lou Costello (né Louis Francis Cristillo).

People born with the surname

People adopting the surname as a pseudonym

Fictional characters with the surname

See also

References

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