Per family trees, Isaac was son of John Elliott (1765-1829) and Eleanor Lockridge (1763-1835).

m1: Amanda Amphira Ford 1790–1830 (name not proved)
-children (not proved) may include: Sarah Ann Elliott (1812–1892), Smith Elliott (1814–1855) , Lewis Elliott (1816– ), Dorcas Elliott (1820- ), Thompson Elliott (1822- ). It is assumed any of these children who existed died before 1849 as they were not named in probate of Isaac's assets.

children from 1st marriage, proved via probate/court house records, inc:
-Absolam James Elliot Mar 4 1819–1877
-John Elliott Mar 9 1822-1893
-Eleanor/Elender "Ellen" Elliott Nov 9 1825- m: John Stotts
-James C Elliott Feb 24 1828-1854
-Martha Ann Elliot Apr 16 1830-1895 m: O. Hatton

m: Nancy Rebecca/Ann Bourne abt 1831
ch inc:
-Amanda Frances Elliott Nov 2 1833/KY–1902 m: Christopher Crawford
-Elizabeth Betty (Bourne) Elliott Mar 18 1836/MO–1892 m: Mather
-William Bourne Elliott Mar 25 1838/Mo–bef 1910
-Isaac Francis Elliott Jr Mar 22 1840–1921
-Catherine Bourne Elliott May 3 1843–1919 m: McVey
-Robert Elliott Jun 7 1845–1885
-Walter Denny "Dink" Elliott Oct 19 1849–1910

Based on children's birth records, Isaac moved his family from KY to Pettis Co MO. between 1833 and 1836. Records show he brought three slaves to MO, Only two were listed in 1840 census, he appeared to have had 4 when he died: George, Sam and Miner, who were sold when he died, and/or Dinah who was about 67 when Isaac died.

1840 census, Pettis Co: Isaac Elliott; males 0-5/1, 5-9/1, 10-14/1, 20-29/1, 40-49/1: females 0-5/1, 5-9/1, 10-14/2, 15-10/1, 3o-39/1; slaves 1 male, 1 female; total 13.

1850 Pettis Co: ELLIOTT Nancy R/45/wd, Amanda F/17, Elizabeth D/14, Wm/12, Isaac/10, Catharine/7, Robert/4, Walter/0. Nancy and Amanda born in KY, remaining children in MO. Also in home is John B COVERT/32/KY who is farming.

There is an on-line hand written note from Mercier Co., KY, authorizing "Isaac Eliot to marry my daughter, Nancy ?Bowen/Bourne? ", signed by her father William Bourn and witnessed by James Tilford and Walter Denny. The note is difficult to read.

On-line copy of wills and probates for Isaac Elliott states he died intestate, Absalom Elliott was appointed administrator, by Allen Roberson, Clerk of County of Pettis County, Misssouri on Nov 15, 1849. (Absalom was Isaac's oldest surviving child).

Note - there is extensive court documentation re division of Isaac's estate with several pages re disposition of three negro male slaves, George, Sam and Minor.