Birth and Death Dates of Abraham given in the Vol. 1, Issue 11 of the Frey Journal (Index Edition) are (1777-1826).
Liahona reference has bride as Margaret Henderson.
Isaac Kellar himself was deceased by 1786. He had a pre-emption Warrant, #48, in Kentucky for 1000 acres, dated 23 Feb 1780. He had visited the lands on the Elkhorn, about 12 miles above the mouth, in 1776 and built a cabin. Certificate dated 18 Nov 1779. In 1781, he assigned 500 acres to his brother Jacob Kellar and 500 acres to Isaac Hite in 1784. Survey of 500 acres for heirs of Jacob Kellar was not done until 26 July 1784. John Kellar testified on 11 Nov 1787 that Abraham Kellar, son of Jacob Kellar, dec'd was about the age of nine or ten years and was heir at law to Jacob & Abraham Kellar, dec'd. Grant was dated 20 Jul 1788. Isaac Hite's 500 acres was surveyed 27 Feb 1784 and he received his grant, which noted it adjoined Jacob Kellar's on Elkhorn, in 1785.
It must have taken a very long time to settle all the land Capt. Abraham Kellar had been entitled to.
6 Sep 1798 Abraham Kellar, heir at law of Abraham Kellar, dec'd, to William Croghan. The Commissioners of the Illinois Grants deeded to the heir at law of Abraham Kellar, dec'd on 9 Mar 1797, six tracts of 500 acres each known as Surveys #71, 120, 173, 203, 238, and 156 and one other tract of 235 acres, part of the 500 acres survey #148. The said grantor for $200, sells and conveys to Croghan, 734 acres, being Survey #71 and the part of survey #148. Wit: John Smith. Jefferson Co Records, Michael L. Cook, C. G.
6 Mar 1799 Patrick Simpson of Knox Co, NW Territory, assigns all his right to two tracts of land in Kentucky to representative of Abraham Keller, dec'd and assigned by Mary Keller who is now Mary Linn. 730 acres on Marrowbone Creek and 400 acres on Cumberland R. Jefferson Co Records, Michael L. Cook, C. G.
4 May 1812 William Croghan to Abraham Keller of Bourbon Co. Wm Croghan has patents & deeds for 3,030 acres of military lands surveyed for Mary Keller on a military land warrant of 4000 acres. Croghan sells to Abraham Keller a tract in the district set apart for officer & soldiers of the Virginia State Line on Marrowbone Crk....730 acres.
4 May 1812 Abraham Keller of Bourbon Co KY to William Croghan. A military warrant of 4000 acres issued by Virginia to Mary Keller, representative of Capt Abraham Keller on which sundry surveys have been made in the name of Mary Keller..... [remainder not abstracted but apparently 1900 acres on the Little Barren River, as below] DB O, p.372
A list of Kentucky deeds involve an Abraham Kellar, presumbably this one since he apparently lived in Bourbon Co.
Abraham KELLAR and Margaret ANDERSON had the following children: