In brief

Born December 13, 1690, in Simsbury, Connecticut. He married October 1, 1714, in Simsbury, Connecticut.

Family

Spouse
Mary Manning/Hanning
m. 1714

Children

With Mary Manning/Hanning

  • Thomas Holcomb IV
    b. November 1715, in Granby, Connecticut
    m. Sarah Loomis, October 5/15, 1740, in Simsbury, Connecticut
    d. 1776/ July 24, 1783
  • Josias/Josiah Holcomb
    b. 1717, in Granby, Connecticut
    m. Abigail Higley, November 8, 1742
    d. July 25, 1805
  • Sarah Holcomb
    b. September 5, 1719
  • Abigail Rosetta Holcomb
    b. 1728, in Granby, Connecticut
    d. February 23, 1776
  • Stephen Holcomb
    b. Granby, Connecticut
  • Moses Holcomb

With Sarah ____

  • Mary Holcomb · in this line
    m. William Hayes, Simsbury, Connecticut
    d. March 27, 1760
  • Damaris Holcomb
    m. William Gaines, August 25, 1756
  • Sybil Holcomb
    m. Isaac Moore

Siblings

Full siblings — children of Thomas Holcomb and Elizabeth Terry

  • Daniel Holcomb
    b. September 13/30, 1692, in Simsbury, Connecticut
    m. Hester/Esther Buel, January 1735
    d. 1760
  • Isaac Holcomb
    b. April 7, 1696, in Simsbury, Connecticut
    m. Phoebe Cornish
  • Elizabeth Holcomb
    b. April 23/25, 1699, in Simsbury, Connecticut
    m. Gershom Goff, December 3, 1724, in Simsbury, Connecticut
    m. ____ Gross

Half-siblings — children of Thomas Holcomb and Rebecca Pettibone

  • Ebenezer Holcomb
    b. April 28, 1707
    d. April 10, 1708, in Simsbury, Connecticut
  • Moses Holcomb
    b. Simsbury, Connecticut
    d. October 23, 1722
  • Stephen Holcomb
    b. Simsbury, Connecticut
    d. December 22, 1722
  • Ruth Holcomb
    b. Abt. April 1706
    m. Joseph Higley, April 1, 1737
  • Benoni Holcomb
    b. Simsbury, Connecticut
  • Ann Holcomb
    b. Simsbury, Connecticut
  • ____ Holcomb
    b. Abt. October 1709
  • Consider Holcomb
    b. Simsbury, Connecticut
    m. Ruth Griffin, March 21, 1734
    d. January 17, 1765
  • Return Holcomb
    b. Abt. May 1713 in Simsbury, Connecticut
    m. Jerusha Adams, January 1733
    d. Spencertown, Columbia County, New York
  • James Holcomb
    b. October 10, 1715, in Simsbury, Connecticut
  • Enoch Holcomb
    b. July 11/August 9/September 4, 1717, in Simsbury, Connecticut
    m. Anna Fowler
    d. March 11, 1808, in Hampden, Massachusetts
  • Miriam Holcomb
    b. July 11/August 9, 1717, in Simsbury, Connecticut
    m. Noah Case, May 5, 1740
  • Sarah Holcomb
    b. September 5, 1719
  • Rebecka Holcomb

Life story

A Simsbury Executor

Thomas Holcomb was born December 13, 1690, in Simsbury, Connecticut, son of the militia captain Thomas Holcomb, and married there in October 1714. He was trusted by his neighbors to handle estate matters, inventorying John Cooper's estate in 1732 and witnessing John Higley's will in 1741. Thomas wrote his own will in September 1770, naming a daughter, Mary.

Sources (2)
  1. Elizabeth Weir McPherson, The Holcombes, nation builders...their biographies, genealogies, and pedigrees (Washington, D.C.: 1947); digital images, Ancestry (https://www.ancestry.com/imageviewer/collections/16006/images/dvm_GenMono002712-00001-0 : accessed 8 July 2026).
  2. George E. McCracken, “Thomas Holcombe’s Earlier Posterity,” The American Genealogist 57 (April 1981): 65-76; image copy, American Ancestors, (https://www.americanancestors.org/DB283/i/12607/65/143304365 : accessed 17 July 2026).