Molly OBrians first appearances were in the mid 1980s. Although her debut performances were not until 1988, she was in loops and shorts for Color Climax/Private and Western Visuals among others. (She is alternately/usually credited as Molly OBrien) OBrian was in numerous US and UK magazines and in a number of John T. Bone adult film titles usually paired with Tracey Adams during the height of her fame in the late 80s. She also appeared in numerous scenes in various titles with actor Marc Wallice and Misty Regan. Molly is notable for being the first of a group of internationally known porn stars from Ireland. (Lisa Phillips starting in 1988 and Cathy Patrick in the early 90s) She is always presented as a blonde, but she is in fact a brunette.

Mollys modeling after 1989 or 1...