The Fundamental Agreement of the New Haven Colony was signed on June 4, 1639. The free planters (founders of the New Haven Colony) who assented to the agreement are listed below:
- William Andrews
- Richard Beckley
- John Benham
- Jarvis Boykin
- William Browning
- John Budd
- John Chapmen
- John Charles
- Ezekiel Cheever
- James Clark
- John Clarke
- John Cogswell
- John Cooper
- Jasper Crane
- John Davenport
- Jeremiah Dixion
- Samuel Eaton
- Theophilus Eaton
- Nicholas Elsey
- Timothy Ford
- Thomas Fugill
- Matthew Gilbert
- Francis Hall
- Matthias Hitchcock
- Andrew Hull
- Thomas Jeffries
- William Ives
- Thomas Kimberley
- Benjamin Ling
- Richard Malbon
- Andrew Messenger
- John Moss (Morse)
- Matthew Moulthrop
- Francis Newman
- Robert Newman
- Richard Osborne
- Edward Patteson
- John Peacock
- Richard Perry
- John Ponderson
- William Potter
- William Preston
- John Reader (Reeder)
- Robert Seeley
- George Smith
- William Thorpe
- Nathaniel Turner
- William Tuttle
- George Ward
- Lawrence Ward
- Samuel Whitehead
- Edward Wigglesworth
- Mr. Wilkes
- Thomas Yale