“...but as I got from under the bed, I heard someone crying; and looking up, while I was still upon my knees, I saw you--most assuredly you--as I see you now; a beautiful young lady, with golden hair and large blue eyes, and lips--your lips--you as you are here… Your looks won me..." (Chap 3)
This book is more or less the common ancestor for all vampire media, and the vampire in it is clearly a lesbian. This book is the beginning not only for the horror genre but also for having queer characters and themes in this genre.