- Ceil served as a South Brunswick Reference Librarian from 1987-2000
- She worked as a volunteer for many years archiving and organizing South Brunswick’s history. Ceil indexed the town’s notable people, places, events, photographs, artifacts, and documents. Leedom researched the Pigeon Swamp Ledger, a document that was written in 1780. The Pigeon Swamp Ledger is the oldest existing document in the township
- Served as Township Historian for nearly 20 years and was a member of the Mayoral Historic Preservation Ordinance Task Force. Ceil also served on the Historic Preservation Commission and was active with the Kingston Historical Society, as well as the Dayton Village Citizens Coalition.
- Ceil gave oversight to South Brunswick’s Cultural Resource Survey. She provided critical information on several local historic projects including Crossroads of the Revolution National Heritage Area, Longbridge Farm, the Slack-Carrol House, the Stevens-Clark House, and the Wetherill House
- Ceil was a South Brunswick resident for over 35 years and raised her family in South Brunswick with her husband Marvin
- The Ceil Leedom History Archive was dedicated by the Library Board of Trustees on December 2nd, 2017
“Buildings that still exist seem to resonate with people.”
Ceil commenting about the importance of preserving historic houses and buildings in a 2017 Sentinel article