your question is unclear.....a grandmother in Ireland is your mothers mother or your fathers mother, just like everywhere else in the world.
in the Irish language the word used nowdays is shanmhathair( pronnounced sh-an-whah-air) which literarly translates as "old mother"
In Irish, mamó, móraí, mam chríonna are all words for granny.
Different terms can be used like grandma, granny, gran, nana, grandmother etc.
Lots of terms are used including Gran, Nana, Granny, Grandmother and others.
Seanmháthair
Bory
grandfather
Nan
Irish
"mamó" is Irish for grandma / granny
"Grandma" is usually mamó or móraí.
Grandma - or grandmother
Grandma
They also call them iPods.
They are called many things, some people call them Leprechauns, others call them siog, but most people just call them Irish
Grandma - Oma
In English the Irish people call them "runners" but in the Irish language i am not sure.
Mamó Móraí (north)
Mamó Móraí (north)
They are Irish. You could refer to them as Irish, or as an Irishman or Irishwoman.