Cognomen Donlly (Donlly 
) , worldwide, is an extremely rare family name. The family name Donlly is habitual in Latin America and the Caribbean, particularly Honduras, where it is a very rare surname. Much more prevalently, Donlly is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Donlly | United States, Honduras, Indonesia |