Although the Polish-born woman's face was not visible in the films, an informant tipped off police after an appeal for information.
Local priest Bernhard Pauer notified police after a parishioner in Hoersching, Austria, spotted the inside of the church in the clip while surfing the internet.
The film,does not show her head.
Her hands are visible and she is holding what appears to be a Bible and a rosary, as well as a toy which she uses on herself.
According to detectives, she had made similar films under the name 'Babsi', which made easy to match her to the video made in the church.
The porn movies have caused heated debate in Austria - a largely catholic country - as to whether or not the church would need to be reconsecrated.
In the end it was decided that it was not necessary as the woman's sins had not been enough to drive out God.
Outside court, Babsi, as she has been referred to by local media, said: "To be honest I find the whole thing completely inhuman.
"I didn't have any idea it was illegal.
"But I am proud of the fact that the whole country has been looking at these videos, it's because I'm simply really good at what I do."
She has apologised to the priest and been ordered to pay roughly half of what she had earned, from the videos.
photo:widedscreen.com