| Year | Original Certificate Number | Annual Certificate Number | Name | Address | Date of Registration | Description and Date of Qualifaction |
| 1925 | 15466 | 1162 | Barnes, Charles Frederick | 67A, High street, Walton-on-Thames | 1922, July 1924 | Dentist, 1921 |
| 1930 | 15466 | Barnes, Charles Frederick | 26A, High street, Walton-on-Thames | 1922, July 1924 | Dentist, 1921 | |
| 1935 | 15466 | Barnes, Charles Frederick | 10, London road, Kingston-on-Thames | 1922, July 1924 | Dentist, 1921 | |
| 1940 | 15466 | Barnes, Charles Frederick | 106, Surbiton road, Kingston-on-Thames | 1922, July 1924 | Dentists Act, 1921 | |
| 1942 | 15466 | Barnes, Charles Frederick | Hey Tor, Bletchley | 1922, July 1924 | Dentists Act, 1921 |
NB - Until the Dentists' Act 1921 registration was not mandatory.
Source: Ancestry.com. UK, Dentist Registers, 1879-1942