Hi IrishLad. Welcome to Psych Central. Sorry to hear about your girlfriend's depression. It sounds like traditional avenues may not be available to her, but you may find alternate options that could help. It is up to her to try if she is so inclined.

I will share some options here.
Become a member of Psych Central and Frequent the Depression Forum and the Bipolar Forum. By reading and posting to these forums, a sense of not facing the problem alone can be discovered.

Ask the Therapist accepts a question and will try to answer it as their time allows.
https://psychcentral.com/ask-the-therapist/

Read some of these articles
https://psychcentral.com/lib/lifesty...th-depression/

https://psychcentral.com/lib/strateg...ng-depression/

Living with Depression: A Guide for Coping with Depressive Feelings | Psych Central

there are online help sites that can help to various degrees. This free site allows members and guests to have a chat session with a trained listener who is a peer supporter. http://www.7cups.com

NAMI: National Alliance on Mental Illness | NAMI: The National Alliance on Mental Illness is a group that offers free support in local groups and online.

Hope some of those help. Feel free to send me a private message or reply in this thread.