Suggested as son of Col. Nicholas Long, (Rev War) but more evidence is needed.

“DNA matches are strongly indicating John Nicholas Long 1728-1729 is the father of Samuel Long. His mother appears to be the daughter of Gideon Gibson. Work in Process.”

Samuel was born about 1776 per 1840 census

Samuel bought 35 acres in Holmes County in 1841.

Land Office Record

Name: Samuel Long
Issue Date: 27 Feb 1841
Place: Holmes, Mississippi, USA
Land Office: Columbus
Meridian: Choctaw
Township: 15-N
Range: 2-E
Section: 27[1]

He married Felicity LeFlore (1785-1870). She is seen as a daughter of Louis LeFleur and Rebecca Cravatt.

Samuel Long donated land for the site of Lexington, county seat of Holmes County. Also a founder of the first church in the town. [Presbyterian]

Children from Ancestry tree:

1. John Long 1807-1821
2. Hannah Long 1813–1887
3. Samuel Bowen Long 1817–1858
4. Rebecca Trahern 1819–1880
5. Jacob Long 1822–1876
6. Joseph G. Long 1822–1853
7. Rebecca Long 1828–1880

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Choctaws and Missionaries in Mississippi, 1818-1918books.google.com › books
Clara Sue Kidwell · 1997

The most visible anxiety among the pupils in the school was experineced by John Long, a student at Elliot, who was discovered in his room weeping bitterly. He wrote a lett; "I feel that I am a sinner and every thing I do is displeasing God. I wish tha the missionaries would pray for me in case I died and go to hell and be tormented forever 16

.............. But John Long was not from a traditional Choctaw family, his father SAMUEL LONG, was a white man, one of thos who supported the establishment of the school at Newell. After the father received a "solemn admonition for his SON," he too begand to have serious impressions' and "commenced family prayer... and was very acitve in his work." 17 John Long's good influence was cut short rather dramatically, however when he died on October 19, 1821. 18

https://www.google.com/books/edition/Choctaws_and_Missionaries_in_M...

References

1. https://www.wikitree.com/wiki/Long-19563 Cites
   1. U.S., General Land Office Records, 1776-2015 [database on-line]. Provo, UT, USA: Ancestry.com Operations Inc, 2008. Land Office Record-Samuel Long < AncestryImage >
   2. https://www.familysearch.org/tree/person/details/LJ1M-8XV
2. https://www.findagrave.com/memorial/47275816
3. “The last will and Testament of Louis Leflore of the Choctaw Nation and State of Mississippi - will and facts.” < AncestryImage > “ … The names of my eleven children Greenwood, Benjamin, William, Basila, Jackson, Louisa Haskins, Felicity Long wife of Samuel Long, Winnia McGahy & Silva Harris. …”. Son-in-law Samuel Long donated land for the site of Lexington, county seat of Holmes County. Also a founder of the first church in the town. [Presbyterian]