Well, we would need more information and it would depend upon her province. If she is in the USA there is a slight chance that we could find out more info for you, but if not, it would be difficult. PM me with where you last saw her and where you think she is now, as well as how you know her.
Brittany, If you ask Sr. Teresa for the ELENCO (Italian for list) it has all the FMA houses and Sisters in the world. You could look up Sr. Irene in the back; we are listed by last name....