Doubleday was born on 9 October 1810 in Epping, Essex, the second son of Benjamin and Mary Doubleday.
dˈʌbəldˌeɪ wʌz bˈɔːɹn ˌɔn nˈaɪn ɑːktˈoʊbɚ wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd tˈɛn ɪn ˈɛpɪŋ, ˈɛsɪks, ðə sˈɛkənd sˈʌn ʌv bˈɛndʒəmɪn ænd mˈɛɹi dˈʌbəldˌeɪ.