Samuel (Eaddy) Eddy, Sr. appeared with his brother, James (Eaddy) Eddy, II in the Jury Lists, Prince Frederick's Parish for the period 1778-1791. Samuel (Eddy) Eaddy, Sr. was a Revolutionary War soldier who served with his brother James (Eaddy) Eddy, II. and possibly with his father, James (Eddy) Eaddy, I. in the Francis Marion Brigade.
This family changed its surname to Eaddy between 1819 and 1848.