Last name Мерфи (Murphy 
, Merfi 
, Merfy 
) , in the entire world, is a widespread family name. The cognomen Мерфи is characteristic of Ireland, where it is a prevalent surname, Isle of Man, where it is a common surname, and Australia (explore the name in all countries). Measured by absolute frequency, it is commonest in the United States, the United Kingdom, and Ireland. Very seldom, Мерфи is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Murphy | Australia, Canada, Ireland, United Kingdom, United States |
| Merfi | Spain, Italy, United States, Democratic Republic of the Congo, Malaysia |
| Merfy | Philippines, United Kingdom, United States, Indonesia, Democratic Republic of the Congo |
| Мерфи | Russia |