Among all the special occasion gift cards, the Happy Mother's Day Visa Gift Card is a favorite. Anytime is a good time to thank Mom for all she has done for us, but at Mother’s Day it is absolutely essential. Different people have been credited with establishing the observance, but one thing is certain: in the USA it always comes on the second Sunday in May. Don’t miss it. Honor the mothers in your life, be they mother, grandmother, aunt, sister or close friends, with Happy Mother's Day Visa Gift Cards.