Chuck Yeager named his P-51's and later the X-1 after his girlfriend and later wife... Glamorous Glennis

Richard Bong named his P-38 after his wife as well...Marjorie, or Marge for short.

Tibbets named "his" B-29 Enola Gay after his mother.

John Godfry (part of the "Two Man AirForce" with Don Gentile) named all his planes Reggie's Reply after his brother, a Merchant Marine, whom was killed by a U-Boat in 1941.