Recommended by Duncan Hines! It was, and is, in Ames. Says the back:

Hi darling First stop Sunday Nite. Having hot weather both Dad and I are fine Should make Chey. Wyo tomorrow nite. Take care of yourself Doll. We love you and miss you. God bless you. Love Dad & Mom.

And there’s a big pink lipstick kiss. The card date from 1961, so the name probably isn’t a Kennedy thing. The postmark for the card, incidentally, reads PRAY FOR PEACE. The Post Office was a little less secular in those days.