Peter or Petrus Leopold Kaiser (3 November 1788, Mühlheim am Main - 30 December 1848, Mainz) was a German Roman Catholic clergyman. From 1834 until his death he served as Bishop of Mainz. References External links https://de.wikisource.org/wiki/ADB:Kaiser,_Peter_Leopold Bishops of Mainz (1802-present) People from Mühlheim am Main 1788 births 1848 deaths 19th-century German Roman Catholic bishops