Walsh originated as an Irish and English surname derived from the Old English word 'wælisc,' meaning 'foreigner' or specifically 'Welshman.' It historically identified people of Welsh or Celtic Briton descent living in Anglo-Norman areas. As a given name, Walsh represents the modern trend of adopting surnames as first names, appealing to parents seeking distinctive options with historical connections. The name carries associations with Celtic heritage and conveys a sense of strength and tradition. Though relatively uncommon as a first name, it has gained some traction in recent decades, particularly in families with Irish ancestry who appreciate its cultural significance and simple, strong phonetic quality.