Originally Posted by
cjgodfryt 
There are many people around who could help including the Deacon at her church who is a multi year sober now alcoholic who is very open about it in mass.
You stated your mom has deep faith in her religion. Maybe you and your dad speak with the Deacon to 12th step her. I've been involved with two and they seem to help the family along with the addict. You can use it as the intervention.