Duarte de Sousa da Mata Coutinho (1674 to 1696) was a Portuguese nobleman. He was the 8th High-Courier (Chief Post-Master) of the Kingdom of Portugal.
He lived in the Palácio do Correio-Mor (Palace of the Post Office) in Lisbon and died there.
References
See also Luís Gomes da Mata Coronel Luís Gomes da Mata Correio-Mor Palace Palace of the Counts of Penafiel
pt:Correio-mor