Mariana Adelaide Osório de Castro Cabral de Alburquerque Moor Quintins was a Portuguese feminist. She was the mother of Ana de Castro Osório who became one of the leading figures in the first wave of feminism in Portugal.
- Occupation
- women's rights activist
- Citizenship
- Portugal, Kingdom of Portugal
- Born
- June 15, 1842
- Died
- November 17, 1917
