Throughout the world, Mawdesley (Ley 
, Mawdesley 
) is quite a rare epicene forename. The forename Mawdesley is characteristic of the Democratic Republic of the Congo, where it is quite a rare largely masculine, but uncommonly female name, the Dominican Republic, where it is a rare unisex name, and Panama, where it is a rare feminine name. In absolute terms, the name is most common in the Democratic Republic of the Congo, Indonesia, and Philippines. More prevalently, Mawdesley is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ley | Myanmar, Germany, United States, Mexico, Malaysia |
| Mawdesley | Australia, Canada, Spain, United Kingdom, United States |