Noble or high; possibly a variant of Briseis
Bryssa is a modern name likely derived from the Greek name Briseis or as a creative elaboration of the Welsh name Bryce. In Greek mythology, Briseis was a noblewoman during the Trojan War. It may also be used as a feminine form of the name Bryson, meaning son of Bryce.
Less common today
Bryssa isn't in the latest US Top 1000. It last peaked at #7,687 in 2012.
US births per 5-year period, 1990βpresent (SSA data).