Sisters Tattoos A tattoo symbol for sister is a great way to pay tribute to your next of kin or a union of friends in which you share a unique "sisterhood". Tattoo Symbol for Sister Ideas. TattooNOW is dedicated to using computers to help people interested in tattoos and body art connect with talented industry professionals. Sister Tattoos have gained immense popularity in recent years. In fact, it has become a great form of decorative art. Get your awards winning sister tattoos that will.