| Origin | |
|---|---|
| Language(s) | Irish |
| Derivation | díomasach |
| Meaning | proud |
| Region of origin | Ireland |
| Other names | |
| Variant form(s) | Ó Díomasaigh |
| Anglicisation(s) | Proudman |
| [1] | |
Dempsey is a surname of Irish origin.
- ^ Grenham, John (1994). The Little Book of Irish Clans. Dublin, Ireland: John Hinde. p. 18. ISBN 0-7858-0083-2.