Cognomen Sirjusingh (Sirjusingh 
) , in the world, is a very rare last name. The surname Sirjusingh is characteristic of Trinidad and Tobago, where it is quite a rare surname, New Zealand, where it is a very rare surname, and Canada, where it is an extremely rare surname. In absolute terms, it is commonest in Trinidad and Tobago, the United Kingdom, and New Zealand.
| VARIANT | COUNTRY |
|---|---|
| Sirjusingh | United Kingdom, United States, Canada, Trinidad and Tobago, New Zealand |