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, Canada, Indonesia, United Kingdom, United States |
|
hal irelan American baseball player, US (b. 1890) |
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| robert m irelan researcher |
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| joan w. irelan oral history project participant, US |
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| irelan o l tam researcher (ORCID 0000-0001-6195-8851) |
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| sue irelan |
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