27 January – 12 February 1828

Grace Menallen

Assistant Bishop Henry Onderdonk makes his first visitation to the western part of the diocese, with stops in Greensburg, Connellsville, Brownsville, Menallen, Uniontown, Pittsburgh, Butler, Kittanning, and Blairsville.

9 -20 August 1828

St. Paul's, Erie

Bishop Onderdonk makes a second visitation trip to the western part of the diocese, including stops in Pittsburgh, Chartiers Creek, Georgetown, Beaver, Mercer, Venango Furnace, Franklin, Meadville, Waterford, and Erie. On this trip he ordains as deacons John James and John Adderly at Trinity, Pittsburgh on August 10, and on August 20 at Christ Church, Meadville he ordains William Hilton.