kˈɛlᵻn wʌz bˈɔːɹn ɪn hˈɑːɹtfɚd, kənˈɛɾɪkət, ðə sˈʌn ʌv soʊfˈiə ænd sˈæmjuːl kˈɛlᵻn, ɹˈʌʃəndʒˈuːɪʃ ˈɪmɪɡɹənts.
Kellin was born in Hartford, Connecticut, the son of Sophia and Samuel Kellin, Russian-Jewish immigrants.