Family name Desourdy (Desourdy 
) , around the globe, is a rare cognomen. The cognomen Desourdy is habitual in Canada, where it is a rare surname, New Zealand, where it is a very rare surname, and the United States. In absolute terms, it is the most numerous in Canada, the United States, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Desourdy | New Zealand, United Kingdom, Canada, United States |