Singh Name Meaning. Indian (northern states): originally a Hindu Kshatriya name but now adopted by many different communities, from Sanskrit si?mha 'lion', hence 'hero' or 'eminent person'. It is freely added to Rajput and Sikh male personal names and in the U.S. often serves as a Sikh surname.
Aman Name Meaning. Americanized spelling of German Ammann. Muslim (widespread throughout the Muslim world): from the Arabic personal name Aman 'trust', 'safety', 'protection', 'tranquility'. Aman is often used in combination with other names, for example Aman Allah (Amanullah) 'trust of Allah'.