Butterfield
- Pedigree database as compiled by Tashia Butterfield.
- http://worldconnect.rootsweb.com/cgi-bin/igm.cgi?db=:2137212

Butterfield Ancestors
- Family of Thomas H Butterfield as compiled by Allan Butterfield.
- http://worldconnect.rootsweb.com/cgi-bin/igm.cgi?db=abttrfld_1

Butterfield and Morse
- Descendants of John Butterfield and Abigail Morse as documented by Sherrie Risch. Focus is on the lineages from MA, NH, NY, OH and MI, USA.
- http://worldconnect.rootsweb.com/cgi-bin/igm.cgi?db=bing

Butterfield Family: Yorkshire
- Historical overview compiled by Leonard Tom Butterfield. Includes surnames Hullah, Sutton, Nicholson, Leach, Rhodes and Crabtree.
- http://www.lb014d6950.pwp.blueyonder.co.uk/

Butterfield Family
- Ancestral heritage of the Butterfield lineages as compiled by T Risinger.
- http://freepages.genealogy.rootsweb.com/~butterfield/