Thompson
Renee's (From cycle 8) last name is Alway.
Mrs. Jay's is Alexander Jenkins, so that would mean his last name is Jenkins.
Eva i don't know her last name but it was Eva i think it might be Eva Miller
Elizabeth Fay
Will smith
elizabeth fay
His dads name was Eli Whitney
Her real name is (was) Whitney Elizabeth Houston.
Model!
Elizabeth Fay was Eli Whitney's mother.
Kate's last name is Coll.
At the time of eli whitney not having a middle name was not uncommon. So he did not have a middle name.