Last name Mccumiskey (Mccumiskey 
) , in all the world, is a rare family name. The surname Mccumiskey is habitual in Ireland, where it is quite a rare surname, the United Kingdom, where it is a rare surname, and Australia, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in the United States, the United Kingdom, and Ireland.
| VARIANT | COUNTRY |
|---|---|
| Mccumiskey | United Kingdom, Ireland, Australia, India, United States |