
Last Update: September , 2001
Thomas Dennis 1638 to 1706 and Grace Cole Searle 1636 to 1686
Generations Two, Three, and Four
| Generation (second) | Generation (Third) | Generation (Forth) |
| (1) Thomas Dennis (1670) and Elizabeth Green | (1) Thomas Dennis | |
| (2) John Dennis (1673) and Lydia White | (1) Lydia Dennis (1701) | |
| (2) Elizabeth Dennis (1704) and Nathaniel Day | (1) Elizabeth Day (1729) and Issac Dodge | |
| (3) Thomas Dennis (1706) and Martha Kinsman | (1) Thomas Dennis and Mary Leatherland | |
| (2) Martha Dennis (1735) and Benjamin Lamson | ||
| (3) Lydia Dennis and Nathaniel Heard | ||
| (4) Sarah Dennis | ||
| (5) John Dennis (1741) and Salome Hodgins | ||
| (6) Joseph Dennis and Hannah Rogers | ||
| (7) Nathaniel Dennis | ||
| (8) Nathaniel Dennis and Mary Stanford | ||
| (9) Sarah Dennis and John Farley | ||
| (10) David Dennis and Susanna Kinsman | ||
| (4) Rev. John Dennis (1708) & Martha Wilcomb & Ruth Bacon | (1) John Dennis (1737) | |
| (2) Martha Dennis (1738) and Abraham Safford | ||
| (3) Lucy Dennis (1740) and William Robbins | ||
| (4) William Dennis (1741) and Priscilla Burnham and Abigail Smith | ||
| (5) Samuel Dennis | ||
| (6) Arthur Dennis (1745) and Mary Goodhue | ||
| (7) Elizabeth Dennis (1747) and Benjamin Griffin | ||
| (8) Nathan Dennis | ||
| (9) Moses Dennis (1750) and Sarah (Sally) Frye | ||
| (10) Mary Dennis and Rev. Samuel Hide | ||
| (5) William Dennis (1710) | ||
| (2) Elizabeth Dennis (1675) and Ebenezer Hover | (1) Abigail Hovey | |
| (2) Thomas Hovey | ||
Generations Four and Five for Great-Grandson Thomas Dennis
| Generation (Forth) | Generation (Fifth) |
| (1) Thomas Dennis and Mary Leatherland | |
| (2) Martha Dennis (1735) and Benjamin Lamson | (1) Sarah Lamson (1768) and Ezra Hutchins |
| (3) Lydia Dennis and Nathaniel Heard | |
| (4) Sarah Dennis | |
| (5) John Dennis (1741) and Salome Hodgins | (1) John Dennis (1774) |
| (2) Solome Dennis (1776) and Ephriam Lord (9 children) | |
| (3) John Dennis Jr. (1780) and Elizabeth Walker (5 children) and Harriet Sawyer (1 child) | |
| (4) Martha Dennis (1782) | |
| (5) Elizabeth Dennis (1785) and Daniel Ring | |
| (6) Thomas Dennis (1787) and Hannah Walker (3 children) | |
| (7) Lydia Dennis (1794) | |
| (6) Joseph Dennis and Hannah Rogers | (1) Joseph Dennis (1768) and Susanna Fellows |
| (2) Thomas Dennis (1770) | |
| (3) Hannah Dennis (1771) | |
| (4) Martha Dennis | |
| (5) Samuel Rodgers Dennis | |
| (7) Nathaniel Dennis | |
| (8) Nathaniel Dennis and Mary Stanford | (1) Nathaniel Dennis and Susanna Hodgins |
| (2) Sarah Dennis and John Lord | |
| (3) Susanna Dennis | |
| (4) Mary Dennis | |
| (5) Mary Dennis | |
| (6) Lydia Dennis and John Newmarch Jr. | |
| (7) Martha Dennis and James Harris | |
| (8) Hannah Dennis and John Tenney | |
| (9) Thomas Dennis | |
| (9) Sarah Dennis and John Farley | (1) John Jr. Farley (1770) |
| (2) Joseph Farley (1772) | |
| (3) Elizabeth Farley (1774) | |
| (4) Ebenezer Farley (1777) | |
| (5) Sally Farley (1779) | |
| (6) Susan Farley (1781) | |
| (7) Martha Farley (1783) | |
| (8) Lydia Farley (1785) | |
| (9) Eunice Farley (1787) | |
| (10) Lucy Farley (1789) | |
| (11) Clarissa Farley (1793) | |
| (12) Mary Farley (1795) | |
| (10) David Dennis and Susanna Kinsman | (1) Betsey Dennis (1783) and Aaron Jr. Blaney |
Generations Four and Five for Great-Grandson Rev. John Dennis
| (1) John Dennis (1737) | |
| (2) Martha Dennis (1738) and Abraham Safford | (1) James Safford (1774) |
| (3) Lucy Dennis (1740) and William Robbins | |
| (4) William Dennis (1741) and Priscilla Burnham and Abigail Smith | (1) Abigail Dennis (1762) and Philip Hammond (6 children) |
| (2) Thankful Dennis (1787) and Nathaniel Treadwell 4th | |
| (3) Martha Dennis (1771) and Thomas Harris | |
| (4) Hannah Dennis (1773) and Phineas Cole | |
| (5) William Dennis (1775) and Eunice Pearson (1 child) | |
| (6) Henry Dennis | |
| (7) Elizabeth Dennis (1780) and Hale Hilton | |
| (5) Samuel Dennis | |
| (6) Arthur Dennis (1745) and Mary Goodhue | (1) Arthur Dennis (1768) and Lucy Burnham (3 children) |
| (2) Mary Dennis (1769) and John Henderson (4 children) | |
| (3) John Dennis (1771) and Eunice Fling (7 children) | |
| (4) Sarah Dennis (1773) and Theophilus Page | |
| (5) Samuel Dennis | |
| (6) Samuel Dennis and Sarah Dix | |
| (7) Moses Dennis (1779) and Rhoda Sprague (9 children) | |
| (8) Lucy Dennis (1779) and Moody Cummings (9 children) | |
| (9) Patty Dennis 1783 | |
| (10) Frances G. Dennis (1784) and Ziba Lane (10 children) | |
| (11) William Dennis (1787) and Susanna Harvel | |
| (12) Joseph Dennis (1789) and Hannah York | |
| (13) Rodney Gove Dennis (1791) and Mary Parker (10 children) | |
| (7) Elizabeth Dennis (1747) and Benjamin Griffin | |
| (8) Nathan Dennis | |
| (9) Moses Dennis (1750) and Sarah (Sally) Frye | (1) Moses Dennis Jr. (1782) and Lois Eaton (2 children) and Jane Graves (3 children) |
| (2) Sally Dennis (1784) and Charles Symonds | |
| (3) Martha Dennis (1786) (Patty) and Dr. John Baker (9 children) | |
| (4) Samuel Dennis (1788) and Alice Whiting (4 children) and Lucy Whitcomb and Elizabeth Frye (2 children) and Olive Whiting | |
| (5) Betsey Dennis (1790) and Simon Lakin | |
| (6) John Dennis (1793) and Nancy Hunt (8 children) | |
| (7) Parmelia Dennis and William Prentice (6 children) | |
| (8) William Dennis 1797 and Nancy White | |
| (10) Mary Dennis and Rev. Samuel Hide | (1) Nathaniel Hide (1771) |
| (2) Stephen Hide (1773) | |
| (3) Samuel Hide (1775) | |
| (4) Betsey Hide (1777) | |
| (5) Levi Hide (1780) | |
| (6) Child Hide (1783) | |
| (7) Daniel Hide (1785) | |
| (8) Jacob Hide (1787) | |
| (9) David Hide (1790) | |
| (10) John Hide (1792) | |
| (11) William Hide (1795) | |
| (12) Polly Hide (Mary) (1800) | |