Baby Names Girl Names Meaning of the Name Terrwyn Updated January 23, 2026 by Jennifer M. Terrwyn Gender: Female Origin: Welsh Meaning: Fair And Brave ♥ Add to my Namelist What is the meaning of the name Terrwyn? The name Terrwyn is primarily a female name of Welsh origin that means Fair And Brave. People who like the name Terrwyn also like: Anwen, Rhiannon, Rhoswen, Arianwen, Tanwen, Ceridwen, Aislin, Gavin, Taran, Llewellyn, Adwin, Nicholas, Aiden, Eirwyn Names like Terrwyn: Taran, Tyrone, Thorn, Tarni, Theoren, Truma, Terema, Terena, Taurean, Tauren, Tharin, Truman, Tarun, Theron, Tiran, Terrian, Toren, Terrany, Terran, Tierna, Tremain, Tremayne, Thorne, Trina, Terrene, Tiernan, Tyran, Trini, Thurman, Tarmon Stats for the Name Terrwyn Terrwyn is currently not in the top 100 on the Baby Names Popularity Charts Terrwyn is currently not ranked in U.S. births