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Alleluia in Irish (Aililiú): Meaning, Pronunciation, Usage

The Irish for alleluia is aililiú, a masculine noun (plural aililiúnna).
Updated October 2026Report a mistake

How to say “alleluia” in Irish

Irish:
aililiú
English:
alleluia
Word type:
noun
Gender:
masculine, fourth declension
Pronunciation:
“al-il-ih-OO”  /ˌalʲəlʲəˈuː/
Various forms
Plural:
aililiúnna (alleluias)
Genitive singular:
aililiú, an aililiú (e.g. ceol an aililiú, the music of the alleluia)
Genitive plural:
aililiúnna, na n-aililiúnna (e.g. canadh na n-aililiúnna, the singing of the alleluias)

What does “aililiú” mean?

alleluia
A shout or song of praise to God, used especially in church services and hymns.Also: hallelujah, praise, hymn of praise.

“Aililiú” with the article

The plural of alleluia in Irish is aililiúnna. Here is aililiú after the article (an t-alt), in the singular and the plural.

an t-aililiú
the alleluia
Masculine nouns take t before a vowel after an
na haililiúnna
the alleluias
Plural: na adds h before a vowel

“Aililiú” in a sentence: Irish examples

Common Irish sentences using aililiú, the Irish word for alleluia.

Chan an cór aililiú ag deireadh an Aifrinn.
The choir sang an alleluia at the end of Mass.
Ní chantar an t-aililiú i rith an Charghais.
The alleluia is not sung during Lent.
Bhí na haililiúnna le cloisteáil ar fud na heaglaise.
The alleluias could be heard throughout the church.
Is breá liom fonn an aililiú sin.
I love the tune of that alleluia.
Thosaigh an pobal ag canadh aililiú le háthas.
The congregation began singing alleluia with joy.
Tá aililiú nua sa leabhar iomann.
There is a new alleluia in the hymn book.
Chuala mé aililiú álainn san ardeaglais inné.
I heard a beautiful alleluia in the cathedral yesterday.

Other nouns in Irish

More everyday Irish nouns to learn next.

Alleluia in Irish: frequently asked questions

What is the Irish for alleluia?

The Irish for alleluia is aililiú (pronounced “al-il-ih-OO”). It’s a masculine noun and the plural is aililiúnna.

How do you pronounce aililiú in Irish?

Aililiú is said like “al-il-ih-OO” (IPA /ˌalʲəlʲəˈuː/).

What is the plural of alleluia in Irish?

The plural of aililiú is aililiúnna; with the article, na haililiúnna means “the alleluias”. The genitive plural is aililiúnna, as in canadh na n-aililiúnna (the singing of the alleluias).

Why does aililiú sometimes have a t or h in front of it?

Irish nouns beginning with a vowel take a prefix after certain words: an t-aililiú (the alleluia), a haililiú (her alleluia), a n-aililiú (their alleluia), na haililiúnna (the alleluias).

Is 'aililiú' used only in church?

Mostly yes, aililiú is the liturgical word for alleluia, though it can also be used as an exclamation of joy.

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