The origin of the given name Walsh is from Irish surname origins, specifically from the Irish language 'Breathnach'. It is derived from the word 'breathnacht', meaning 'stranger' or 'foreigner'. Walsh was traditionally a patronymic name, indicating that it was passed down through generations based on the father's given name. The name Walsh has been widely used as both a surname and a given name, particularly in Ireland, England, and Scotland. It is pronounced as /wɔːlʃ/.
"The number of babies named Walsh has fluctuated over time, with a notable increase from five in 1994 to eight in 2020, and then a slight decrease to seven in 2022, bringing the total number of births with this name to twenty."