Modern Irish form of the Old Irish name Síthmaith, combining síd, which usually means 'peace' though it can also mean 'fairy mound', and maith, meaning 'good'. Traditionally read as 'good peace'.
Vibe
gentlepeaceful
How it ages.
A traditional Irish name with deep Gaelic roots; uncommon today, but its long history should let it age well into adulthood.
The cultural moment.
Ranked 127th among girls' names in Ireland in 2025, with 37 babies given the name that year.