i don't believe I've ever sung that last verse before. ;^D
My great grandparents had a similar story 100 years ago, but she died two days later. The San Franicisco Chronicle headline read: She Follows Him To The Grave
My cousin used to say that he had told her, I'll take you with me Kathleen.
The song was originally written for the classic romantic comedy with the incomparable Maurice Chevalier: "Love me Tonight" (1932).