I used Heritage Quest census (indexed head of household only) and William Harold Graham's "Newton County Marriage Records"
I did not find Seaborn Young but I did find the following.
marriage Matilda J. Masengale to George W. Young, Jan 27 1887 Marriage book 2 page 488.
US census 1900 (June 10) Newton County: Young, George (WM36) born Dec 1963 Married 12 yrs Farmer. Wife Mary M.(WF26) born Feb 1874 married 12 yrs. Has given birth to 5 children 4 of whom are living. Children dau Mary J (WF11) bornNov 1888; son Lukey? (WM9) born June 1891; son George T (WM6) born Apr 1894; son Alvin (WM2) born 1897.
(There is also another George Young (WM30) in Newton Co in 1900 with wife Susan and 2 daughters)
US census 1910 (Apr 29)Newton county:Young, George W. (WM45) Married 22 years. Wife Matilda (WF36) married 22 years She has given birth to 8 children 7 of whom are living.
Son George T.(WM17) Son Alvis (WM14) Daughter Iva M. (WF8),Daughter Rosa F. (WF6) son John (WM5/12 )
I also found in US census 1970 (July 30) Newton county
Masengale, Henry (WM32) Farmer ; Mary WF32; William (WM12); Eliza Ann (WF9); Tennepee (WF4); Matilda J. (WF 9/12)
This all appears to be the same family but is it your family?