According to Arthur J. Alexander, she married a West Pointer on graduation day.

1937, May 13: not yet married according to her mother's obituary. May Lebett Arnold's obituary in September 1997, refers to her husband of 60 years, which suggests they were married some time around 1937.

In 1944, lived in Ashville, N.C.

A May Lebett Arnold died September 1997 in Tallahasse, FL. "A native of New York City, she had lived in Tallahassee since 1958. She survived the attack on Pearl Harbor in 1942. She is an Episcopalian. ...survived by:
- husband of 60 years, John Knox Arnold Jr;
- Children:
John K Arnold III of Montgomery, Ala.
Charles Mark Arnold of Tallahassee
James Scott Arnold of Tallahassee
Sally Arnold Roberts of Tallahassee
- a sister: Doris Lebett Barrett of Tallahassee
- 13 grandchildren and 12 great-grandchildren."

John Knox Arnold Jr. of Tallahasse died Jan. 2002 at age 88. West Point class of 1936. (www.koreanwar.org/html/units/usaf/581resupply.htm )