John Creighton (priest) explained

John Creighton, D.D. was a 17th-century Anglican Dean in Ireland.^[1]

Crosse was Chancellor of Christ Church Cathedral, Dublin from 1643 to 1661^[2] and Dean of Ferns from 1666 to 1670^[3]

References

1. Fryde, E. B.; Greenway, D. E.; Porter, S.; Roy, I. (1986). Handbook of British Chronology (Third Edition, reprinted 2003 ed.). Cambridge: Cambridge University Press. p.402
2. "Fasti Ecclesiae Hibernicae: The succession of the prelates Volume 2" Cotton, H. p57: Dublin, Hodges & Smith, 1848-1878
3. "Fasti Ecclesiae Hibernicae: The succession of the prelates Volume 2" Cotton, H. p350: Dublin, Hodges & Smith, 1848-1878