All Hallows SeminaryAll Hallows Seminary is a Catholic private seminary in Onitsha, Anambra State, Nigeria.HistoryThe seminary was founded in 1924 by Bishop Joseph Shanahan. The first rector was Rev. Fr. William O'Donnel as the first Rector. The seminary moved to several places before settling in its permanent site in Onitsha in February 1952 when it moved down to the present site in Onitsha.Notable people Amechi Akwanya Francis Arinze