Matrŏna (noun M.f) : m. (f., Aus. Mos. 462; Sid. Pan. 812) * A river in Gaul, now the Marne, Caes. B. G. 1, 1, 2; Amm. 15, 11, 3; Aus. Mos. 462; Sid. Carm. 5, 208.
Charlton T. Lewis, Charles Short, A Latin Dictionary
PIR
Feminine Personal name Confirmed occurences in the Roman Empire: