was born at Mullica Hill, Gloucester Co., New Jersey
, on 16 April 1773. He was the son of Johann Jacob Hörner
and Eliza Ann Baum
. He married Rebecca Ann Eastlack
in 1798. Jacob Spicer Horner lived; Jacob lived in Virginia sometime after the birth of his daughter, Mary Elizabeth, and 1815 when he is found in Indiana.
It is believed that Jacob and his family from Jamestown, Virginia, past Yorktown and then entered the Chesapeake Bay. They sailed up the bay for several miles to where it entered the Potomac River. They sailed up the Potomac past present day Washington, D.C. From there they went to Pittsburgh. In Pittsburgh they bought lumber and built a flat boat in which they loaded their belonings and came down the Ohio River to Jeffersonville, Indiana, where they were stopped by the falls. They tore the flat boat apart, bought oxen and wagons and loaded the lumber of the flat boat on the wagon along with their belongings and hauled them to Fredericksburg. In Fredericksburg they used to lumber from the boat to build their home. He began military service. He married Rebecca Ann Ferguson
. Jacob Spicer Horner was migration in 1816 at Washington Co., Indiana
; In 1816 when Jacob Horner came to the Indiana Territory, he bought a place from Martin Royse and erected a tavern.
Shawnee Indians lived on the hill above the tavern. Jacob Horner bought their land from the Shawnee. Shawnee also lived on the land of the neighboring McPheeter family. The Shawnee chief's name was Chief Four Toes. Soon after Jacob Horner bought the Shawnee out they moved somewhere west of the Mississippi. In two years, Chief Four Toes came back to visit, and came to the door of Jacob Horner, who invited him in.
The Horner's and the Shawnee's must have had a good relationship with each other because Chief Four Toes stayed for 3 years, before returning to his tribe west of the Mississippi. He was Jacob operated a tavern and inn in Fredericksburg. The inn had room to accommodate settlers who where going further west or traveling back east. He owned the square mile where the present Fredericksburg now is located. He laid out the town, built a church and donated the land for a cemetery and is buried there. At Fredericksburg, Washington Co., Indiana
. Jacob was listed as the head of a family on the 1820 Census at Washington Co., Indiana
. He married Mary Lossen Thompson
. Jacob Spicer Horner was census 1830 in 1830 at Washington Co., Indiana
. He was census 1840 in 1840 at Washington Co., Indiana
. Jacob was listed as the head of a family on the 1850 Census at Posey Twp., Washington Co., Indiana
. He left a will on 15 May 1852 at Posey Twp., Washington Co., Indiana
; Will of Jacob Horner of Posey Twp Will dated 15 May 1852; will proved 11 Oct 1852 wife Mary L. to have life right to all real and personal property sons Andrew, Jacob T. and Alexander S., "my three youngest sons," to have the "old place where I now live" after paying cash legacies to other heirs; also to have my town property sons William, George, John's heirs, and Samuel given money son-in law Robert McPheeters sons Samuel and Andrew J to be executors witnesses: David W Stucker and Wm F Dayton. Jacob died on 9 October 1852 at Fredericksburg, Washington Co., Indiana
, at age 79. His body was interred in October 1852 at Fredericksburg, Washington Co., Indiana
, at Fredericksburg Cemetery.