Misname

Like the name Macon Dead, it is a misname imposed by someone with no concern about the consequences.

And it was a misname, because the woman who stood before him now in all her naked glory presented a picture beauteous beyond belief—to Vagn, leastways.

Misnamed (and misgendered) was Patricia Glass Schuman, of Neal-Schuman Publishers.

Near-synonym: misnomer

Elsewhere is pain in looking back on the blotted page misnamed Experience.

The Intelligence Office proved to be as much misnamed as those institutions usually are, and varying degrees of unintelligence were shown in the candidates offered for the position of cook at Boxley Hall; […]