1900+ Four Letter Boy Names

Adda is the name of the first man in the Welsh Bible, but it is rarely used in its homeland nowadays. Once you know how to pronounce it, it's a soft-sounding name that would make an interesting alternative to A-ending boy names like Ezra. Adda Fras was a 13th-century poet, and there is also a River Adda near Bangor in North Wales.

You might want to abbreviate this from one of the Biblical originals or use it as a name all on its own, an update of Sam or Finn. Sim is a Scottish Gaelic form of Simon.

A unisex season name that's rare in the US: it hasn't been in the charts for boys or girls since the early 2000s.

A Welsh-language spelling of Teddy, sometimes used (in true British style) as a name in its own right.