Alexander Dunbar Winchester

Alexander Dunbar Winchester (also known as Alexander Winster; – 14 January 1708) was a Roman Catholic clergyman who served as the Prefect of Scotland.

Life Born in Garmouth, Moray, in 1625 the names of his parents are unknown. He studied at Rheims for four years and then for four further years with the Jesuits at Dijon. He took the oath in the Scots College in Rome on 21 May 1651, and for the next seven years studied philosophy and theology. He was ordained a priest in the Scots College on 21 May 1656.

He was appointed the Prefect of Scotland by the Holy See on 12 June 1662. He resigned in 1668, but was reappointed again in 1672, only to resign again in July 1693. He was named Dean of the Chapel Royal at Holyrood (the ancient church of Holyrood Abbey) in 1687, but fled north to Gordon Castle during the Glorious Revolution of 1688.