In all the world, James Thomas (James Thomas 
) is a rare boy's forename. The first name James Thomas is characteristic of Ireland, where it is a rare boy's name, Australia, where it is a very rare boy's name, and Philippines. Not in comparison with a country's population, it is the most numerous in Philippines, the United States, and Ireland. Very seldom, James Thomas is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| James Thomas | Philippines, Ireland, Australia, Spain, United States |
Dew, Linley, Thomas, Eccles, Hansen, Farley, Watson, Wilson, Wilcox, Michael, Simpson, Cajulis, Bentley, Munley Jr, Callanan, Bergeson, Brandish, Robinson, Grannell, Obligacion, Stienecker, Alexander, Beatty, Greenough, Barros, Mccloy, Cruz, Boot, Kerr, Ryan, Love, Judy, Tray, Hale, Hope, Hill, Ward, Meall, Sharp, Stock, Smith, Aiken, Coker, Boone, Dizon, Lopez, Evans, Agapay, and Mcguinness