Here is riley myers in the 1880 mcnairy county,tn census,looks like he moved back after the 1876 land sale,his son james k.p.myers is back in 1920 and possibly earlier,but i could not find him in mississippi in or tennessee between 1900-1910 and his grandson james riley james the son of his daughter liddy/lidia ann who married w.e. james in alcorn,ms is in mcnairy co.tn in 1900,but is back in tishomingo co.ms in 1910.
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1880 United States Federal Census
Name: Riley Myers
Age: 64
Birth Year: abt 1816
Birthplace: Tennessee
Home in 1880: District 10, McNairy, Tennessee
Race: White
Gender: Male
Relation to Head of House: Self (Head)
Marital Status: Married
Spouse's Name: Sarah Elizabeth Myers
Father's Birthplace: Tennessee
Mother's Birthplace: Tennessee
Occupation: Farmer
Household Members: Name Age
Riley Myers 64 tenn.
Sarah Elizabeth Myers 38 tenn.
Sarah C. Myers 24 miss.
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Mississippi Marriages, 1776-1935
Name: W. E. James
Spouse: Miss L. A. Myers
Marriage Date: 28 Mar 1861
County: Alcorn
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1880 United States Federal Census
Name: L. A. James (liddy ann james)
Age: 36
Birth Year: abt 1844
Birthplace: Tennessee
Home in 1880: Alcorn, Mississippi
Race: White
Gender: Female
Relation to Head of House: Self (Head)
Marital Status: Widowed **************
Father's Birthplace: Tennessee
Mother's Birthplace: Tennessee
Occupation: Keeping House
Household Members: Name Age
L. A. James 36
J. R. James 15 (JAMES RILEY JAMES)see 1900 mcnairy co.tn
Ava James 13
Chris James 11
Tug James 9
Newt James 7
Lucy James 5
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1900 United States Federal Census
Name: James R James
Age: 36
Birth Date: Dec 1863
Birthplace: Mississippi
Home in 1900: Civil District 10, McNairy, Tennessee
Race: White
Gender: Male
Relation to Head of House: Head
Marital Status: Married
Spouse's Name: Mattie L James
Marriage Year: 1885
Years Married: 15
Father's Birthplace: Tennessee
Mother's Birthplace: Mississippi
Household Members: Name Age
James R James 36
Mattie L James 34
Baxter James 12
Herbert James 10
Gertie James 8
Ernest James 3
Lester James 1
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1910 United States Federal Census
Name: J R James
Age in 1910: 46
Birth Year: 1864
Birthplace: Mississippi
Home in 1910: Iuka, Tishomingo, Mississippi
Race: White
Gender: Male
Relation to Head of House: Head
Marital Status: Married
Spouse's Name: Mattie L James
Father's Birthplace: Mississippi
Mother's Birthplace: Mississippi
Household Members: Name Age
J R James 46
Mattie L James 44
[47]
Ernest James 12
[13]
Lester James 11

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Mississippi Marriages, 1776-1935
Name: James P. Myers
Spouse: Mollie E. Polk
Marriage Date: 24 Nov 1867
County: Alcorn
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1920 United States Federal Census
Name: James K P Myaes
[James K P Myres]
Age: 73
Birth Year: abt 1847
Birthplace: Mississippi
Home in 1920: Civil District 10, McNairy, Tennessee
Race: White
Gender: Male
Relation to Head of House: Head
Marital Status: Married
Spouse's Name: Catherine Myres
Father's Birthplace: Tennessee
Mother's Birthplace: Tennessee
Household Members: Name Age
James K P Myaes 73
Catherine Myres 51
Julia Myres 44
Orda Myres 10