Throughout the world, Jas. (Jas. 
) is an extremely rare masculine given name.
| VARIANT | COUNTRY |
|---|---|
| Jas. | United Kingdom, United States, China |
| jas. gibson johnson (b. 1839) |
|
|
| jas. l. meagher (b. 1848) |
|
|
| jas. de alwis protector of the supreme court |
|
|
| jas. parker |
|