Throughout the world, Mclauchlin (Mclauchlin 
) is an extremely rare unknown gender forename. Much more frequently, Mclauchlin is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Mclauchlin | Australia, Canada, United Kingdom, South Africa, United States |
| archibald mclauchlin private in the Confederate Army of Elizabethtown, North Carolina, US |
|