Mimi was born in Pittsburgh Jan. 11, 1939, daughter of Mr. and Mrs. J. Frederic Byers.
Mimi graduated from Sewickley Academy, The Foxcroft School and Briar Cliff Manor College.
She was a vice president of The American Heart Association and a vice president of the Performing Arts Center at SUNY Purchase, New York.
Mimi married Joseph Verner Reed, Jr. on Dec. 19, 1959. They had two daughters, Serena Reed Kusserow of Santa Barbara, Calif., and Electra Reed of Greenwich, Conn., and four grandchildren.
Mimi was a member of the Colony Club of New York, the Gasparilla Inn Beach Club of Boca Grande, Fla., the Round Hill Club of Greenwich, Conn., and the Harbor Club of Seal Harbor.
Funeral and memorial service arrangements are to be private.
In lieu of flowers, contributions in Mimi’s memory may be made to the ASPCA of Hancock County, Maine (141 Bar Harbor Road, Trenton ME 04605).