Google Image Search. Pull up google, click on images, and then drag and drop a jpeg into the search field. It will search the net for that photo. In this case, one of the first entries brought me her to DA. I'd call that a complete success.
Sorry to hear that she doesn't model any more. I've had that happen to me many, many times. Not that I'm a pro, but I did a fair amount of amateur erotic photography in years past, and the vast majority of the lovely ladies I worked with then are no longer available. As I'm not particularly active in the scene these days, I meet far less in the way of potential models.
You do good work. I wish I'd taken the time to get better with the camera, but I was more focused on the rope and the bottoms. My best shots were always me tying and someone else shooting