Surname Irelan (Irelan 
) , in all the world, is quite a rare cognomen. The surname Irelan is habitual in the United States, where it is a rare surname, Canada, where it is a very rare surname, and Indonesia. Much less frequently, Irelan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Irelan | Philippines, United Kingdom, Canada, United States, Indonesia |
|
hal irelan American baseball player, US (b. 1890) |
|
| robert m irelan researcher |
|
|
| joan w. irelan oral history project participant, US |
|
|
| irelan o l tam researcher (ORCID 0000-0001-6195-8851) |
|
|
| sue irelan |
|