In June 1875, St. Andrew's, Knox, Bank Street (later Chalmers), the newly formed congregations in New Edinburgh (now MacKay United Church, named after their first Elder and Trustee Thomas MacKay), and in the Sandy Hill (or Lower Town) St. Paul's or Daly Street, and congregations in nearby Rochesterville (Erskine), Hull, Quebec, Cumberland, Manotick, Nepean (Merivale, and Bells Corners), that all became part of the Presbyterian Church in Canada, within the Presbytery of Ottawa.
