[1] The first was a relatively short-lived congregation of priests founded by Don Dominic Francis Olivieri in the eighteenth century to preach parish missions, mostly in Italy.
The third is an Association of the Faithful located in Park Hills, Kentucky, founded by two former members of the Fathers of Mercy to promote the Latin Mass.
In 1730, Giovanna Maria Baptista Solimani founded the Hermit Sisters of St. John the Baptist (or "Baptistines") at Moneglia, not far from Genoa.
In 1744, Solimani traveled to Rome and with the aid of Barnabite Mario Maccabei obtained the approval of Pope Benedict XIV.
[3] The "Missionaries of Saint John the Baptist" is a Public Association of the Faithful recognized in the Roman Catholic Diocese of Covington.
It was founded by two former members of the Fathers of Mercy with the aim of establishing a new religious Institute of diocesan right which celebrates the liturgy according to the 1962 Roman Missal, the Tridentine Mass.