"Singh is a title, middle name, or surname that means "lion" in various South Asian and Southeast Asian communities. Traditionally used by the Hindu Kshatriya community, it was later mandated in the late 17th century by Guru Gobind Singh (born Gobind Das) for all male Sikhs as well, in part as a rejection of caste-based prejudice and to emulate Rajput naming conventions. As a surname or a middle name, it is now found throughout the world across communities and religious groups, becoming more of a generic, caste-neutral, decorative name—similar to names such as Kumar and Lal."
https://en.wikipedia.org/wiki/Singh
