My grandmother was from Sao Jorge, Rosa Clementina Costa.

According to her marriage license he parents were:
John Costa Moles & Barbara Vitorina Avilla

I know she had at least two sisters, Sylvania and Mary.

Mary immigrated to California, she was married to Joe Silva and live most of her life in San Leandro, CA.

My grandmother Rosa was married to Domingos Bernardo Alves from Santa Barbara, Terceira, they lived most of their married life in Woodland, CA