I did a Google search and found some information on a Catholic alternative called "The Little Flowers" Girls Club. It sounds nice... (my own daughter's too old for it at this point!) It may be worth checking out.
The below website looks like a location to order materials (programs, badges, etc.) for The Little Flowers:
Thank you for the research! Like you, my daughter is too old for Girl Scouts but I have copied Barnacle who also posted this information. Perhaps the two of you can begin to spread this to others. Bless you both!