In short a female Silver Surfer isn't commonly recognized and isn't so famous but IT IS CANNON.
I honestly don't see the problem with a female Silver Surfer.

#fantasticfour #fantastic4 #galactus #herald #silversurfer #mcu #marvelcenimaticuniverse #femalesilversurfer #shalla-bal #norrin-rad

She rides the cosmic winds as the herald of Galactus! I can’t wait for the upcoming Fantastic Four—Julia Garner looks incredible as the Silver Surfer. It's finally the Super-Fantastic July!
#SilverSurfer #FemaleSilverSurfer #MarvelFanArt #FantasticFour #Galactus #HeraldOfGalactus