Background
Tyrrell was the son of George Tyrrell of Thornton, Buckinghamshire, and his wife Eleanor Montagu daughter of Sir Edward Montagu.
Tyrrell was the son of George Tyrrell of Thornton, Buckinghamshire, and his wife Eleanor Montagu daughter of Sir Edward Montagu.
He inherited Thornton on the death of his father in 1571 and later built a house there called "The Toy". He may have matriculated at Trinity College, Cambridge in 1573. He was appointed High Sheriff of Buckinghamshire for 1595-1596.
He was knighted at the Charterhouse on 11 May 1603.
He was buried on his death in Thornton church.
In 1604, Tyrrell was elected Member of Parliament for Buckingham.He died in office in 1606.