Rootschat deals primarily with researching family history (so, our bygone ancestors) rather than anything to do with living relatives. We can make suggestions but for most of us this is out of our area of expertise.
The Salvation Army is supposedly experienced in this kind of thing, might be worth an enquiry?
When you say into the system, does it seem that she was adopted? If yes, would it be likely that her name was changed? (that is to say, if she was an infant it would be likely, if an older child perhaps not)
You could try using birth, marriage and death records to see if you can find a marriage under her birth name (assuming she is old enough). Alternatively, see if her mother had a second marriage.
You could try looking up her name, or the name of a known relative of hers, on social media.