Yes, Morticia could be considered a goth band because they play Deathrock, which is a core subgenre of goth music. Albums like Morticia, Mortal Fear, and D.O.A. are examples of their goth sound.
Morticia is located in United States, Minnesota, Minneapolis, active in 1985 — 1994, 2005 — present. You can find more information about Morticia on their GothDB band page.