In the world, Sillo (Sillo 
) is quite a rare dominantly female, but infrequently boy's first name. The first name Sillo is habitual in South Africa, where it is a rare predominantly boy's, but scarcely female name, India, where it is a rare primarily female, but very infrequently masculine name, and Tanzania, where it is a rare unisex name. Not in comparison with a country's population, it is the most numerous in India, Nigeria, and South Africa. Likewise, Sillo is the last name as well as the forename.