Surname Mclaughin (Mclaughin 
) , around the world, is a rare cognomen. The cognomen Mclaughin is characteristic of Canada, where it is a very rare surname, Australia, and the United States. Measured by absolute frequency, it is commonest in the United States, Canada, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Mclaughin | Canada, New Zealand, Australia, United States, United Kingdom |
| grace mclaughin American artistic gymnast, US (b. 1995) |
|