skˈuːnmeɪkɚ wʌz bˈɔːɹn mˈɑːɹtʃ tˈuː, wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd twˈɛnti ˈeɪt, ɪnðə tˈaʊn ʌv ɹˈɑːtʃɛstɚɹ ɪn ˈʌlstɚ kˈaʊnti tə hˈɛndɹɪkəs mˈɑːɹtɪn wˈʌn θˈaʊzənd sˈɛvənhˈʌndɹɪd nˈaɪnti tˈuː dˈæʃ wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd sˈɛvənti ænd dʒˈeɪn nˈeɪ skˈuːnmeɪkɚ skˈuːnmeɪkɚ wˈʌn θˈaʊzənd sˈɛvənhˈʌndɹɪd nˈaɪnti sˈɪks dˈæʃ wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd sˈɪksti sˈɪks.
Schoonmaker was born March 2, 1828, in the Town of Rochester in Ulster County to Hendricus Martin (1792-1870) and Jane (née Schoonmaker) Schoonmaker (1796-1866).