Kellin Quinn is 38 years and 7 month(s) old. He was born in 24 Apr, 1986. American rock band (Post-hardcore, pop-punk, alternative rock and pop rock) Sleeping with Sirens (label- Epitaph record) is an incredible band filled up with talented musicians. One of the eccentric bunches is Kellin Quinn (net worth- reported 2 million, 20 million to 80 million US dollars), the lead vocalist, keyboardist and co-founder.