Mothering Sunday is the biblical term and I would guess could apply to anyone who "mothers", as opposed to Mothers' Day which would apply only to physical mothers.
Is that right?
Chantal
I know this corner of the earth, it smiles for me...
Cred air o bob deg a glywi, a thi a gei rywfaint bach o wir (hen ddihareb Gymraeg) Believe one tenth of what you hear, and you will get some little truth (old Welsh proverb)
our toddlers grp gave out fliers about mothering sunday at our local church, i get my fill of church at school; but thought it was a cunning way to get more peeps there!