Georg Heinrich Maria Kirstein (2 July 1858, Mainz – 15 April 1921, Mainz) was a German Roman Catholic clergyman. From 1904 until his death he served as Bishop of Mainz. References External links http://www.catholic-hierarchy.org/bishop/bkirstein.html 1858 births 1921 deaths Bishops of Mainz (1802-present) Clergy from Mainz