Across the world, Симус (Seamus 
, Симус 
) is quite a common male first name. The forename Симус is habitual in Ireland, where it is quite a common boy's name, the United Kingdom, where it is quite a rare masculine name, and Australia. Measured by absolute frequency, it most frequently occurs in Ireland, the United States, and the United Kingdom. Very seldom, Симус is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Seamus | United Kingdom, Malaysia, Australia, Ireland, United States |
| Симус | Kazakhstan, Ukraine, Russia |
Diego, Džeimss, Iacopo, Jaakko, Jacob, Jacobus, Jacopo, Jacques, Jakov, Jakow, Jakub, Jakubs, Jakób, Jakúb, James, Jaume, Jim, Jokūbas, Santiago, Santjago, Simous, Simus, Symus, Séamus, Yacob, Yakov, Yakub, Yakup, Yaqoob, Yaqoub, Yaqub, Ζακ, Ιάκωβος, Τζιμ, Джеймс, Джекобс, Джим, Джым, Джэймс, Диего, Дієго, Жак, Жауме, Иаков, Йокубас, Сантьяго, Шеймус, Шимус, Яакко, Яаков,
Симус is also a name for the fictitious and mythical characters: Seamus Finnigan , character in Harry Potter; Seamus McFly , character in Back to the Future Part III; Seamus McTiernan , the character from 2001 film 'The Luck of the Irish'; Seamus Mellencamp and Seamus , the musical character in the musical Dear Edwina by Zina Goldrich; a Scottish boy who wants to know what this word R.S.V.P means who writes to Edwina..