Family name Kierans (Kierans 
) , in the entire world, is a rare cognomen. The family name Kierans is characteristic of Ireland, where it is quite a rare surname, the United Kingdom, where it is a rare surname, and Canada. Much less frequently, Kierans is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kierans | Canada, Australia, United States, Ireland, United Kingdom |
| thomas kierans Canadian mining engineer (1913-2013), CA (b. 1913) |
|
|
| eric kierans Canadian politician (1914-2004), CA (b. 1914) |
|
|
| grainne kierans Irish association football player and coach, IE (b. 1978) |
|
|
| genevieve kierans author |
|
|
| s j kierans researcher |
|
|
| ciara kierans researcher |
|
|
| andrea s kierans researcher |
|
|
| arthur kierans Irish rally co-driver, IE |
|
|
| jennifer kierans |
|
|
| kim kierans |
|