Worldwide, Regina Mary (Regina Mary 
) is a very rare feminine given name. The forename Regina Mary is characteristic of Ireland, where it is a rare girly name, and India, where it is an extremely rare feminine name.
| VARIANT | COUNTRY |
|---|---|
| Regina Mary | Philippines, Malaysia, Peru, India, Ireland |
Diggin, George, Samiraj, Senthil, Ponniah, Aboorvasamy, Pranjissi, Devadass, Mariya Michel, Singarayan, Savarimuthu, Savarimuthy, Anthonysamy, and Arulanantham