Helen Schatvet Ullmann (1937-2021) was the editor of the Western Massachusetts in 1790 Study Project and its published volumes, and associate editor of the New England Historical and Genealogical Register. She won numerous awards for her compiled genealogies, which included:
- Descendants of Peter Mills of Windsor, Connecticut
- Some Descendants of Roger Billings of Dorchester, Massachusetts
- Descendants of John Mills of Stamford, Connecticut
- A Mills and Kendall Family History
- The Pierponts of Roxbury, Massachusetts
- Some Descendants of John Sibley of Salem, Massachusetts
- Descendants of Richard Coman of Salem, Massachusetts and Providence, Rhode Island
- Descendants of Anthony Smith of Waterbury, Connecticut
- Descendants of David Melvill of Boston, Massachusetts and Newport, Rhode Island
In addition, she was the author of many genealogical articles and the transcriber of Hartford County Court Minutes, Vols. 3 & 4, and Colony of Connecticut Minutes of the Court of Assistants, 1669–1711.