Morgan is the daughter of Alfred and Eunice Morgan, of Brazil. She is employed with Help-at-Home in Vincennes.
Mifflin is the son of John and Darla Mifflin, of Linton. He is employed with General Dynamics and is a member of the Air National Guard in Terre Haute.
The couple will have a beach ceremony at Opal National Seashore in Navarre, Fla. Invitations have been sent to family and friends. For those unable to attend the wedding, a reception is planned for a later time in Linton.
Mifflin and Morgan spent 40 years and 40 miles away from each other. They will spend the next 40-plus years side by side.