Basic Welsh Phrases: Happy Birthday! (Pen-blwydd Hapus!)

The Welsh way of saying Happy Birthday is Pen blwydd Hapus or Pen-blwydd Hapus. You may also see it spelt (incorrectly) as Penblwydd Hapus.

Pen-blwydd hapus i ti! – Diolch!

Happy birthday to you! – Thanks!

Listen to the sound clip in the video below for the correct pronunciation!

The word pen-blywdd (birthday) is made up of two words: pen (head, end, chief, top) and blwydd (year). The plural is pen-blwyddi.

A more formal way of saying Happy Birthday is as follows:

Dymuniadau gorau ar ben dy flwydd!
Dynumiadau gorau ar dy ben-blwydd!

Best wishes for a happy birthday!

If you want to specify the age of the person, you can simply add the following after Pen-blywdd Hapus: yn + [number] + oed.

Pen-blwydd Hapus yn 50 oed!

Happy 50th birthday!

You may also hear or see the following expressions written in birthday cards:

  • Boed i chi gael pen-blwydd hapus iawn a llawer ohonynt. = Many happy returns on your birthday!
  • Boed i’ch holl ddymuniadau ddod yn wir! = May all your wishes come true!
  • Gobeithio cei ddiwrnod bendigedig! / Mwynha dy ddiwrnod! = Have a great day!
  • Chwytha’r canhwyllau allan! = Blow out the candles!
  • Gwna ddymuniad! = Make a wish!

Below is the Happy Birthday song translated into Welsh. The melody is exactly the same as the English equivalent.

Pen-blwydd hapus i ti,
Pen-blywdd hapus i ti,
Pen-blwydd hapus i [name],
Pen-blwydd hapus i ti!

And let’s not forget to mention all the Welsh birthday vocabulary you can use when planning a party!

  • balŵn / balwnau or balŵns = balloon / balloons
  • anrheg / anrhegion = present / presents
  • parti / partïon or partis = party / parties
  • addurniad / addurniadau = decorations
  • cacen / cacennau = cake / cakes
  • teisen / teisennau = cake / cakes
  • cannwyll / canhwyllau = candle / candles
  • cerdyn / cardiau = card / cards
  • gêm / gemau = game / games
  • het / hetiau = hat / hats
  • hwyl = fun

About The Author

Heather is passionate about everything language-related. Born and raised in Toronto, Canada, she holds a TEFL certification from Aberystwyth University and a Bachelor's degree in Linguistics from the University of Western Ontario. Along with her native English, she speaks Italian, Welsh, and a smattering of Japanese and French.