It is believed that the Leach family(in particular, Lawrence Leach's ancestors,) descended from John De Leche, who was King Edward III's surgeon. Lawrences coat of arms has three crowns on it, which is said to signify the three Kings of France and Scotland who dined at the house of the surgeon wo had rendered them life saving service while prisoners. John was also given a very large estate. Please read the following free internet archive history of this family here.
https://archive.org/details/lawrenceleachofs01leac
Leach
Giles was at Weymouth in 1656 and Bridgewater, Ma. by 1665.
John inhabited Salem in 1637.
Lawrence, the brother of John, was born in England in 1589 before residing at Salem by 1629.
Richard was found at Salem in 1639.
Thomas was born in 1652 at England and married in New London, Conn. in 1680.
Leadbetter
Henry was found to have been married at Dorchester in 1660.
Leader
George was at Kittery, Maine in 1652.
Richard is seen at Lynn, Ma. in 1645, Berwick, Maine by 1650 and at Boston in 1647.
Leager, Legare, Leger
Jacob was a tailor at Boston in 1641.
Lear, Leare
John lived at Salem in 1658.
Tobias was married at Portsmouth, N.H. in 1665.
Learned, Lained
William was born in 1590 at England and is found at Charlestown, Mass. in 1632 and then at Woburn, where he died in 1646.
Leathe
Francis was a shipowner at Topsfield and Rowley early in the 17th century.
Leathers
Edward was living in Dover, N.H. in 1665.
Leavens
William was a settler at Roxbury in 1634.
Leavenworth
Thomas was born in England and is found at New Haven, Conn. in 1664 before passing away at Woodbury, Conn. in 1683.
Leaver
Thomas was the town clerk at Rowley in 1643.
Leavitt
John was born in England in 1610 and came to Dorchester, Mass. in 1630. He then went to Hingham, Mass. in 1635.
John was living in N.H. in 1645.
Thomas inhabited Exeter, N.H. in 1639 and then Hampton, N.H. in 1644.
Le Baron
Francis was a surgeon who was bon at France in 1668 before residing in Plymouth pre-1695.
Le Blonde
James was a Huguenot who is seen to have married at Boston in 1689.
Lechford
Thomas was a lawyer who came from London to Boston and then back to England all by 1640.
Leck, Lecke, Leeke
Ambrose lived at Wickford, R.I. in 1674.
Lee, Lea, Ley
Abraham inhabited Dover, N.H. in 1680 and was killed by Indians in 1689.
Edward resided at Hartford, Conn. in 1650.
Henry was born at Cheshire, England and came to Manchester, Mass. in 1650.
John was born at England in 1598 and settled at Ipswich in 1640.
John was at Saco, Maine in 1645.
John was born in Essex County, England in 1620 and came to Hartford, Conn. at age 13. He then moved to Farmington, Conn. in 1641.
Robert came from London to Plymouth by 1637.
Samuel was residing at Malden, Mass. in 1671 and died at the age of 36 years in 1676.
Thomas was the brother of Henry and John and came to Ipswich in 1648 where he died in 1682 at the age of 82 years.
Thomas died aboard ship on his way to New England in 1641. His widow married Greenfield Larrabeee and she settled at Saybrook, Conn, then Lyme where she had her only son, Lt. Thomas L..
Walter was born at England in 1630 and is first seen in Conn. by 1654. He then removed to Northampton, Mass. by 1656 and Westfield, Mass. in 1665.
First settling Dover, N.H. in 1623Leeds
John was a mariner who was born at England in 1641. He is seen at New London, Conn. in 1674.
John was at Watertown, Mass. around 1680.
Richard was born in 1605 at England and went to Dorchester, Mass. by 1637.
John was an inhabitant of Hingham in 1647.
Thomas was married at Duxbury, Mass. in 1685 then went to Plympton, Mass. and Windham, Conn. after.
Leek
Philip is seen at New haven, Conn. in 1644.
Lees
Hugh resided at Saybrook, Conn. in 1648.
Leete
William was governor of Conn. and the son of John and the fifth generation of Thomas, who first used the surname Leete. Thomas was of Oakington, England in the reign of Queen Elizabeth. Gov. Leete was born in 1612 at Dodington, Huntingshire, England and is seen at Guilford in 1639 and in 1676, he went to Hartford.
Le Favor, Favor
John was at Haverhill in 1641.
Phillip settled at Salisbury around 1660.
Leffingwell
Michael was living at Woburn pre-1643.
Lt. Thomas, son of Thomas, was born at White Colne, Essex, England in 1624 and is seen at Saybrook in 1637. He then went to Norwich, Conn. in 1659.
Legaree
Francis was a Huguenot and goldsmith at Boston in 1690.
A super interesting read about the Huguenots.
https://b-womeninamericanhistory17.blogspot.com/2019/09/french-huguenot-looks-at-1687-puritan.html
Legat, Leggett
John resided at Hampton, N.H. in 1640.
Legge, Legg
John was born at England in 1612 and came in Winthrop's Flee of 1630. He first lived at Salem and then Marblehead by 1635.
Legrove
Nicholas resided at Salem in 1668.
Leigh, Legh
Joseph was an inhabitant of Ipswich in 1651.
Leland
Hopestill was born at Yorkshire, England ca. 1580 before settling at Weymouth in 1624. he then moved to Medfield in 1655.
Lemon, Leamond, Lemond
Joseph was born ca. 1662 at England before residing at Charlestown.
Robert was at Salem in 1637.
Lennox, Lenox
Ralph lived at New Haven pre-1665.
Lenthall
Robert was a schoolmaster who went to Weymouth in 1637, Newport, R.I. a year later and returned to England 3 years later.
Lenton
Lawrence was at Ipswich in 1673.
Leonard
Henry was an ironmaster at Lynn around 1650.
James was the son of Thomas of Pontypool, Monmouthshire, England(with Thomas being the 6th generation of John who was born in 1479 at Knole, Kent, England). He was at Providence, R.I. in 1645 and later lived at Lynn and Taunton, Mass..
John came from Bilston, Staffordshire, England to Springfield, Mass. pre-1638.
Philip was the brother of Henry and is seen at Marshfield, Mass. without male issue.
Rice was a resident of Rehoboth in 1644.
Solomon was born in 1610 at Monmouthshire, England and came to Plymouth before removing to Bridgewater, Mass. by 1645.
Leister, Leicester
Andrew was at Glooucester by 1643 and is then seen at New London, Conn. in 1651.
Lettis, Lettice
Thomas was at Plymouth in 1638.
Walter was a resident of Newport, R.I. in 1649.
Levens, Leavens
John was at Roxbury in 1634.
Leverett
Thomas came from Boston, Lincolnshire, England to Boston, Mass. in 1633.
Leverich, Loveridge, Leveridge
Caleb was at Conn. in 1664 then Newtown, L.I. after.
Ebenezer, brother of Caleb, was at Newtown, L. I. but left no male issue.
Henry was a tailor at Salisbury, Wiltshire, England and Boston, Mass. in 1635.
William came to N.E. in 1633. He is first found at Salem then Dover, N.H. Boston in 1635, Duxbury by 1637, Sandwich in 1640 and lastley to Long Island.
Leviston
John was a Scot who settled North Billerica, Mass. by 1677.
Lewis
Benjamin was at New Haven in 1669, Wallingford, Conn and around 1675, moved to Stratford, Conn..
Edmund was born at England in 1595 and lived Ipswich, Watertown and Lynn, Mass. by 1634.
Francis was a boatman at Boston in 1663.
George was a clothier who was born at East Greenwich, England. He was at Plymouth and Scituate by 1635 and lastly at Barnstable in 1638.
John resided at Charlestown in 1634 and Malden a year later.
John, brother of George, came from Tenterden, Kent, England to Scituate in 1635 and then to Boston.
John inhabited New London, Conn. in 1648.
John was a freeman at Lancaster, Mass. in 1665.
John was a butcher at Boston in 1659.
John was a mariner at Boston in 1669.
John was living at Westerly, R.I. in 1661.
John resided at Roxbury in 1640.
John was married at Hingham in 1682.
Jonas was killed on August 24, 1675 during King Philips War.
Joseph was at Swansey in 1672.
Philip was at Portsmouth, N.H. in 1665 and by 1672, is seen at Dover, .H..
Robert was born in 1607 at England to Salem, then Newbury where he died in 1644.
Thomas was at Saco, Maine pre-1630.
Thomas was of Northampton, Mass. in 1667.
Walter was living at Wethersfield, Conn. in 1648.
William came to Cambridge by 1633, Hartford in 1636 and Hadley in 1659.
William was a freeman at Roxbury in 1642, later going to Lancaster in 1653.
Ley
Henry was at Boston in 1657.
Libby, Libbey
John was born in 1602 at England, coming by way of the Isle of Thanet, Kent, England between 1630-1635 to Scarborough, Maine.
Light
Henry was at New Hampshire in 1677, when he died.
John was at Salisbury first, then to N.H. by 1676.
Lightfoot
Francis resided at Lynn in 1636.
John lived at Boston in 1653.
William was an inhabitant of Marblehead in 1674.
Lilford, Lilforth
Francis settled at Rowley in 1643.
Thomas, brother of Francis, was at Rowley in 1643 and Haverhill in 1654.
Lillie, Lilly
Edward was a cooper at Boston in 1670.
George was born in 1638 at England and settled at Reading pre-1659.
John was at Concord ca. 1660.
John was a resident of Woburn in 1690.
Luke resided at Marshfield, Mass. in 1643.
Samuel was a merchant at Boston in 1686.
Lincoln
Daniel was born at Hingham, England in 1619 and settled at Hingham by 1644.
Robert was at Boston in 1646.
Samuel was a weaver who was born at Hingham, England in 1619. He went to Salem in 1637 and Hingham, Mass. later.
Stephen came from Wymondham, England in 1638 before settling at Hingham, Mass..
Thomas was a miller who was born at Norfolkshire, England in 1603. He first ent to Hingham in 1635 and then Taunton, Mass. in 1652.
Thomas was a cooper and son of Thomas. he came to N.E. in 1630 and is found at Hingham in 1636.
Thomas was the brother of Stephen and is seen at Hingham in 1638.
Lindall, Lyndall, Lindale
henry was a resident of New Haven in 1646.
James was of Bridgewater and Duxbury, Mass. between 1640-1645.
Lindon, Lyndon
Augustine was a mariner of Boston in 1652.
Lindsay, Lindsey, Linsley
Christopher was residing at Lynn in 1630.
John was at Guilford, Conn. in 1650 and Branford, Conn. pre-1667.
Lines
henry was the son of John Lynbe of Bsdley, Northampton, England and lived at new Haven, Conn. in 1642.
John was a fisherman from Dartmouth, Devonshire, England before dying at the Isle of Shoals in 1675.
Ralph was the brother of Henry and is at New Haven in 1642 and Woodbridge, Conn. in 1689.
Ling
Benjamin was at Charlestown in 1636 and New haven by 1640.
Linnell, Lynnell
Robert was born in 1584 at London, England and is seen at Scituate in 1638. He then ent to Barnstable in 1639.
Linton
Richard was residing at Medford in 1630, Watertown in 1638 and Lancaster in 1643.
Lippet, Lippit
John was a resident of Providence, R.I. in 1630 and Warwich, R.I. by 1655.
Lippincott
Bartholomew inhabited Dover, N.H. in 1658.
Richard resided at Dorchester in 1640, Boston in 1644, New Jersey in 1655 and Salisbury, N.J. in 1669.
Liscome, Lyscum
Humphrey was a merchant of Boston in 1678.
John lived at Lynn pre-1693.
Nicholas was at Marblehead in 1663.
Litchfield
Lawrence is seen at Boston in 1640, Scituate and finally at Barnstable by 1650, when he died.
Litherland, Lytherland
William came with Winthrop's Fleet in 1630 and is at Newport, R.I. within the next 5 years.
Zebulan was a t Boston pre-1670