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Grandson in Irish (Garmhac): Meaning, Pronunciation, Usage

The Irish for grandson is garmhac, a masculine noun (plural garmhic).
Updated October 2026Report a mistake

How to say “grandson” in Irish

Irish:
garmhac
English:
grandson
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“GAR-wak”  /ˈɡaɾˠwak/
Various forms
Plural:
garmhic (grandsons)
Genitive singular:
garmhic, an gharmhic (e.g. lá breithe mo gharmhic, my grandson's birthday)
Genitive plural:
garmhac, na ngarmhac (e.g. grianghraif na ngarmhac, photos of the grandsons)

What does “garmhac” mean?

grandson
The son of your son or daughter.Also: grandchild, son's son, daughter's son.

“Garmhac” with the article

The plural of grandson in Irish is garmhic. Here is garmhac after the article (an t-alt), in the singular and the plural.

an garmhac
the grandson
No change after an
na garmhic
the grandsons
Plural: no change after na

“Garmhac” in a sentence: Irish examples

Common Irish sentences using garmhac, the Irish word for grandson.

Tá garmhac nua ag mo mháthair.
My mother has a new grandson.
Thug sí bronntanas don gharmhac is óige.
She gave a present to the youngest grandson.
Is é mo gharmhac an peata sa teach.
My grandson is the pet of the house.
Bhí athair an gharmhic ag obair thar lear.
The grandson's father was working abroad.
Tá ceathrar garmhac aige anois.
He has four grandsons now.
Tháinig na garmhic ar cuairt Dé Domhnaigh.
The grandsons came to visit on Sunday.
Labhair an seanfhear go bródúil faoina gharmhac.
The old man spoke proudly about his grandson.

Other nouns in Irish

More everyday Irish nouns to learn next.

Grandson in Irish: frequently asked questions

What is the Irish for grandson?

The Irish for grandson is garmhac (pronounced “GAR-wak”). It’s a masculine noun and the plural is garmhic.

How do you pronounce garmhac in Irish?

Garmhac is said like “GAR-wak” (IPA /ˈɡaɾˠwak/).

What is the plural of grandson in Irish?

The plural of garmhac is garmhic; with the article, na garmhic means “the grandsons”. The genitive plural is garmhac, as in grianghraif na ngarmhac (photos of the grandsons).

Why does garmhac change to gharmhac or ngarmhac?

Irish changes the start of some words after certain words. After mo (my) garmhac becomes mo gharmhac (lenition), and after ár (our) or i (in) it becomes ár ngarmhac (eclipsis).

What is the word for granddaughter and grandchild?

Granddaughter is 'gariníon' and grandchild in general is 'garpháiste'. A great-grandson is 'iarmhó' in some usage, or 'fionnó' for a great-great-grandchild.

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