bˈɔːɹn ˌɔn twˈɛnti fˈaɪv fˈɛbɹuːˌɛɹi wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd twˈɛnti nˈaɪn ɪn tʃˈæɾəm, bˈɑːɹnəbi bɪɡˈæn hɪz kɚɹˈɪɹ æz ɐ nˈeɪvəl ɐpɹˈɛntɪs æt ʃˈɪɹnəs ɪn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd fˈoːɹɾi θɹˈiː.
Born on 25 February 1829 in Chatham, Barnaby began his career as a naval apprentice at Sheerness in 1843.