Grandparents Names
English

Formal:Grandmother, Grandma,Grandfather, Grandpa
Informal:Granny, Nana, Nan
Irish

Formal:Grandmother- Seanmhathir -(SHAN-maw-hir)
   Grandfather  - Seanathir-(SHAN-awe-hir)
literal (old mother - old father)
Informal:      Granny     -Mamo-(MA-moe)
    Grandpa    -Dadeo-(DA-doe)