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Stepson in Irish (Leasmhac): Meaning, Pronunciation, Usage

The Irish for stepson is leasmhac, a masculine noun (plural leasmhic).
Updated October 2026Report a mistake

How to say “stepson” in Irish

Irish:
leasmhac
English:
stepson
Word type:
noun
Gender:
masculine
Pronunciation:
“LAS-wock”  /ˈl̠ʲasˌwak/
Various forms
Plural:
leasmhic (stepsons)
Genitive singular:
leasmhic, an leasmhic (e.g. seomra an leasmhic, the stepson's room)
Genitive plural:
leasmhac, na leasmhac (e.g. ainmneacha na leasmhac, the names of the stepsons)

What does “leasmhac” mean?

stepson
The son of your husband or wife from an earlier relationship.Also: step-son, stepchild.

“Leasmhac” with the article

The plural of stepson in Irish is leasmhic. Here is leasmhac after the article (an t-alt), in the singular and the plural.

an leasmhac
the stepson
No change after an
na leasmhic
the stepsons
Plural: no change after na

“Leasmhac” in a sentence: Irish examples

Common Irish sentences using leasmhac, the Irish word for stepson.

Is é Seán mo leasmhac.
Seán is my stepson.
Tá leasmhac aici atá ina chónaí i Londain.
She has a stepson who lives in London.
Thug mo leasmhac cuairt orm inné.
My stepson visited me yesterday.
Bhí lá breithe mo leasmhic ann Dé Sathairn.
It was my stepson's birthday on Saturday.
Tá beirt leasmhac aige ón gcéad phósadh a bhí aici.
He has two stepsons from her first marriage.
Réitíonn sé go maith lena leasmhic.
He gets on well with his stepsons.
Chuir mé glao ar mo leasmhac aréir.
I phoned my stepson last night.

Other nouns in Irish

More everyday Irish nouns to learn next.

Stepson in Irish: frequently asked questions

What is the Irish for stepson?

The Irish for stepson is leasmhac (pronounced “LAS-wock”). It’s a masculine noun and the plural is leasmhic.

How do you pronounce leasmhac in Irish?

Leasmhac is said like “LAS-wock” (IPA /ˈl̠ʲasˌwak/).

What is the plural of stepson in Irish?

The plural of leasmhac is leasmhic; with the article, na leasmhic means “the stepsons”. The genitive plural is leasmhac, as in ainmneacha na leasmhac (the names of the stepsons).

How do you say stepdaughter and stepmother in Irish?

The prefix leas- is used throughout: leasiníon is stepdaughter, leasmháthair is stepmother and leasathair is stepfather.

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