Ianto is of Welsh origin, meaning 'archer' or 'fair'. It is derived from the Old Welsh personal name 'Ieuaf', which translates to 'youngest'. The name gained prominence in Wales during the medieval period and has since been used occasionally throughout history. In modern times, it is considered somewhat unique and often associated with Welsh heritage.
"The name Ianto had an equal number of births each year from 2014 to 2015, with six babies named Ianto in both years, resulting in a total of twelve births."