[1] He was then sent by Archbishop John Purcell to study philosophy and theology at the Pontifical North American College in Rome.

[4] On June 10, 1876, Moeller was ordained to the priesthood for the Archdiocese of Cincinnati by Archbishop Giulio Lenti at the Basilica of St. John Lateran in Rome.

[2] In November 1879, Moeller was granted a leave of absence from the Archdiocese of Cincinnati to assist Bishop Silas Chatard of the Diocese of Vincennes in Indiana.

[4] He received his episcopal consecration on August 25, 1900, from Archbishop Elder, with Bishops Henry Richter and Thomas Byrne serving as co-consecrators, at St. Peter in Chains Cathedral in Cincinnati.

[5] In 1921, Moeller condemned several forms of dancing (including the Shimmy and Camel Walk) as well as bare female shoulders at social functions.