Worldwide, Costello (Costello 
, קוסטלו 
, Костелло 
) is a rare predominantly masculine, but scarcely female first name. The given name Costello is characteristic of Ireland, where it is a rare male name, the United States, where it is a very rare dominantly masculine, but seldom feminine name, and China, where it is an extremely rare boy's name. Much more frequently, Costello is the last name as well as the forename.
Costello is also a name for the fictitious and mythical characters: .
| dudley costello Anglo-Irish writer, GB (b. 1803) |
|
|
| bartley costello (b. 1871) |
|
|
|
murray costello Canadian ice hockey player, US (b. 1934) |
|
| ward costello American actor and musician, US (b. 1919) |
|
|
| unknown costello Peerage person ID=150901 |
|
|
| unknown costello Peerage person ID=273441 |
|
|
| vin costello college basketball player (1969–1971) Boston College |
|
|
| quinn costello director and filmmaker |
|
|
| lee costello British motorcycle racer, GB (b. 1986) |
|
|
| lewis costello British actor and comedian, GB (b. 1993) |
|