Layman. Servant to a Mr Owen of Oxfordshire. Arrested for harbouring priests in general, and Saint Edmund Gennings in particular, physically restraining the men who were going to arrest Gennings during Mass. Martyr.
- at Kendal, Westmoreland, England
- “Blessed John Mason“. CatholicSaints.Info. 29 November 2009. Web. 26 April 2017. <>