Across the world, Mercey (Mercey 
) is a rare primarily feminine, but very infrequently boy's forename. The forename Mercey is characteristic of Tanzania, where it is a very rare girly name, Philippines, and South Africa, where it is a very rare largely girly, but seldom male name. Not in comparison with a country's population, it is commonest in Tanzania, Philippines, and India. More frequently, Mercey is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Mercey | Tanzania, France, Netherlands, United States, Philippines |