[4] He was elected fellow of All Souls' College in 1627, and junior Proctor of the university in 1640[5] (a position also held by his brother John's nemesis, Nathaniel Brent in 1607) [6] In 1642 he became the rector of Tullylish, Co.
Buckworth had restored the old Dromore cathedral between 1613–1622 and begun to build a new bishop's palace; but they had been burned down along with the rest of the town on 15 November 1641 during the rebellion of that year.
[9] Buckworth was forced to flee to England, and returned to his place of birth at White Hall manor near Wisbech, Cambridgeshire.
[3] He was the rector of the valuable living of Welwyn, Hertfordshire (the advowson of All Souls' College), from 1651 until he was deprived of it by the Act of Uniformity 1662.
[14] John had left his astronomical instruments (including an astrolabe belonging to Elizabeth I) to Oxford University, for the use of the Savilian Professors of Astronomy.
[16] The new bishop of Dromore, Robert Leslie, was consecrated in January 1661, and Greaves was finally installed as Dean on 26 March 1661.