Well - its what wax museums do. If you're famous or notorious, you appear. And, well, yes, Essie is 29 and unmarried, and at the time the show takes place, marriage would be retreating as s possibility.
I was thinking of the scene in Act 1 which goes like this:
TOM (The Richard Kiley character) Well, Miss Whimple, I'll be seeing you.
ESSIE (VErdon): Oh, that;ll be nice! When?
TOM: Oh, no, 'I'll be seeing you' is just an American expression for saying 'good-bye'. (swats her on rear end and exits)
ESSIE: I feel.... I feel ... (ESSIE touches her rear where TOM swatted her, and begins to sing)
I FEEL MERELY MARVELOUS
WILDER THAN THE SEA
I LOOK NEARLY BEAUTIFUL
I DON'T LOOK LIKE ME!
IT'S A BLOOMING MIRACLE
WHAT A SMACK CAN DO
I COULD FLY
I COULD SOAR
I COULD CRY
I CoULD ROAR
MAKE IT REAL
MAKE HIM FEEL
MERELY MARVELOUS TOO!
I find this rather charming and winning, especially thinking of Verdon's performance. But some would not