Thomas Ashby was an English religious dissident who was executed at

Tyburn Tyburn was a Manorialism, manor (estate) in London, Middlesex, England, one of two which were served by the parish of Marylebone. Tyburn took its name from the Tyburn Brook, a tributary of the River Westbourne. The name Tyburn, from Teo Bourne ...

on 29 March 1544. He was originally included in the process for canonising the English martyrs, as he had been executed for denying the king's supremacy. However this was later rejected as there was some doubt that he died as a Catholic. "And the xix. day of March

544 __NOTOC__ Year 544 ( DXLIV) was a leap year starting on Friday of the Julian calendar. The denomination 544 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe fo ...

was draune from the tower unto Tyborne . . . . . Ascheby, that was some tyme a prest and forsoke it, and there was hongyd and qwarterd and there byrryd."Chronicle of the Grey Friars of London Camden Society Old Series: Volume 53 P 46
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References

Year of birth missing 1544 deaths People executed at Tyburn English martyrs {{UK-reli-bio-stub