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Month in Irish (Mí): Meaning, Pronunciation, Usage

The Irish for month is mí, a feminine noun (plural míonna).
Updated October 2026Report a mistake

How to say “month” in Irish

Irish:
mí
English:
month
Word type:
noun
Gender:
feminine
Pronunciation:
“mee”  /mʲiː/
Various forms
Plural:
míonna (months)
Genitive singular:
míosa, na míosa (e.g. tús na míosa, the beginning of the month)
Genitive plural:
míonna, na míonna (e.g. ainmneacha na míonna, the names of the months)

What does “mí” mean?

month
One of the twelve periods into which the year is divided, or a period of about four weeks.Also: calendar month, four weeks.

“Mí” with the article

The plural of month in Irish is míonna. Here is mí after the article (an t-alt), in the singular and the plural.

an mhí
the month
Lenition: m becomes mh after an (feminine noun)
na míonna
the months
Plural: no change after na

“Mí” in a sentence: Irish examples

Common Irish sentences using mí, the Irish word for month.

Bhí mé ann ar feadh míosa.
I was there for a month.
Íocaim cúig chéad euro sa mhí ar an árasán.
I pay five hundred euro a month for the flat.
Beidh mé ag dul ar saoire an mhí seo chugainn.
I'm going on holiday next month.
Glacfaidh an obair sé mhí.
The work will take six months.
Is í Bealtaine an mhí is fearr liom.
May is my favourite month.
Bíonn cruinniú againn ag deireadh gach míosa.
We have a meeting at the end of every month.
Chaith siad míonna ag fanacht leis an scéala.
They spent months waiting for the news.

Other nouns in Irish

More everyday Irish nouns to learn next.

Month in Irish: frequently asked questions

What is the Irish for month?

The Irish for month is mí (pronounced “mee”). It’s a feminine noun and the plural is míonna.

How do you pronounce mí in Irish?

Mí is said like “mee” (IPA /mʲiː/).

What is the plural of month in Irish?

The plural of mí is míonna; with the article, na míonna means “the months”. The genitive plural is míonna, as in ainmneacha na míonna (the names of the months).

Why does mí change to mhí?

After words like mo (my) and do (your) the first letter is lenited: mo mhí. After ár (our) it stays ár mí, because m does not take eclipsis.

How do I say 'per month' in Irish?

Use 'sa mhí', for example 'trí chéad euro sa mhí' (three hundred euro a month).

What form follows numbers, as in 'six months'?

Mí is lenited after numbers like trí, ceithre, cúig, sé: 'trí mhí', 'sé mhí'; 'míonna' is used without a number.

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