Cognomen Gwillim (Gwillim 
) , around the world, is a rare family name. The cognomen Gwillim is characteristic of Isle of Man, where it is quite a rare surname, the United Kingdom, where it is a rare surname, and Australia. Measured by absolute frequency, it is the most numerous in the United Kingdom, the United States, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Gwillim | Canada, Australia, United States, United Kingdom, South Africa |
| moore gwillim Welsh politician (b. 1501) |
|
|
| elizabeth gwillim British painter and scientific illustrator (1763-1807), GB (b. 1763) |
|
|
|
jack gwillim actor (1909-2001), GB (b. 1909) |
|
| john cole gwillim CA (b. 1868) |
|
|
| david gwillim British actor, GB (b. 1948) |
|
|
| henry gwillim British judge, GB |
|
|
| katherine gamand gwillim (died 1950) |
|
|
| dwywg ap gwillim Peerage person ID=517547 |
|
|
| evan gwillim bookseller and postmaster in Builth |
|
|
| sarah-jane gwillim British actress, GB |
|
|
| gwillim ap rhys Peerage person ID=517546 |
|
|
| john gwillim (by 1493-1550 or later) of Fawley, Herefs |
|
|
| gwillim john ap jenkin Peerage person ID=519692 |
|
|
| james gwillim Peerage person ID=662911 |
|
|
| gareth gwillim English professional footballer (born 1983), GB (b. 1983) |
|