No, Scientist/Folksinger/Artist Sam Hinton is no relation to Author S.E. Hinton - at least there is no modern relation. If you go back far enough there is probably a common lineage, but for all...
S.E Hinton is a very well-known author who wrote a lot of books including: The Outsiders, That Was Then, This Is Now, and others.
An Author. Most noted for the novel; "The Outsiders".
No, he was not.
many people would not read the Outsiders if they knew a woman wrote it. Most people would assume the author was a man if signed with S.E. Hinton.