[1] Their home was Oxon Hill Manor, overlooking the Potomac River opposite Alexandria, Virginia, where the family lived in great state, driving a coach and four with liveried outriders.

Thomas John Claggett, who ordained him a deacon in Saint Peter's Parish, Talbot County on May 26, 1793.

Addison thus succeeded his uncle by serving from 1793 to 1795 as rector of Queen Anne Parish, with its two widely separated churches, Holy Trinity and St.

Addison, who freed the slaves he inherited, publicly advocated the abolition of slavery as well as the practice of dueling.

[7] Due to the shortage of Episcopal priests in that era and area, while serving at Addison Chapel, in 1801 Rev.

[6] He also encouraged William Holland Wilmer and former student (and future Virginia bishop) William Meade in their attempts to school Episcopal clergy, which eventually led to the founding of Virginia Theological Seminary.

[12] Walter Dulany Addison married Elizabeth Dulany Hesselius, the daughter of well-known portrait painter John Hesselius and Mary Young, on June 5, 1792, in Anne Arundel County, Maryland.

[13] Their children include Lloyd Dulany Addison,[14] who would later move to New Orleans, Louisiana as a merchant and found the Mistick Krewe of Comus and The Pickwick Club.

Walter Dulany Addison's ordination, his granddaughter Elizabeth H. Murray wrote, "The oldest parish record spoken of is Piscataway, or Broad Creek, parish, called St. John's, Prince George's County, contiguous to the Potomac and Piscataway Creek, dated January 30, 1693.

He was educated at Oxford, and in the corner of a quaint old portrait of him in the possession of the family is a scroll containing the picture of his college.