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Christianity in Irish (Críostaíocht): Meaning, Pronunciation, Usage

‘Críostaíocht’ also means: Christendom

The Irish for Christianity is Críostaíocht, a feminine noun.
Updated October 2026Report a mistake

How to say “Christianity” in Irish

Irish:
Críostaíocht
English:
Christianity, Christendom
Word type:
noun
Gender:
feminine, third declension
Pronunciation:
“KREES-tee-ukht”  /ˈkɾʲiːst̪ˠiːəxt̪ˠ/
Various forms
Genitive singular:
Críostaíochta, na Críostaíochta (e.g. stair na Críostaíochta, the history of Christianity)

What does “Críostaíocht” mean?

“Críostaíocht” has two alternative meanings. The most common comes first.

Christianity
The religion based on the life and teachings of Jesus Christ.Also: Christian religion, Christian faith.
1 other meaning: Christendom
2Christendom
The Christian world, all Christian people and countries taken together.Also: Christian world.

Other Irish words for Christianity: Críostúlacht (Christianity)

“Críostaíocht” with the article

Here is Críostaíocht after the article (an t-alt).

an Chríostaíocht
the Christianity
Lenition: C becomes Ch after an (feminine noun)

“Críostaíocht” in a sentence: Irish examples

Common Irish sentences using Críostaíocht, the Irish word for Christianity.

Tháinig an Chríostaíocht go hÉirinn sa chúigiú haois.
Christianity came to Ireland in the fifth century.
Is reiligiún mór domhanda í an Chríostaíocht.
Christianity is a major world religion.
Bhí Pádraig ag craobhscaoileadh na Críostaíochta.
Patrick was spreading Christianity.
Táimid ag foghlaim faoin gCríostaíocht ar scoil.
We are learning about Christianity at school.
Tá suim mhór aici i stair na Críostaíochta.
She has a great interest in the history of Christianity.
Ghlac an rí leis an gCríostaíocht.
The king accepted Christianity.
Roimh an gCríostaíocht bhí na draoithe cumhachtach.
Before Christianity the druids were powerful.

Other nouns in Irish

More everyday Irish nouns to learn next.

Christianity in Irish: frequently asked questions

What is the Irish for Christianity?

The Irish for Christianity is Críostaíocht (pronounced “KREES-tee-ukht”). It’s a feminine noun. Depending on context it can also mean Christendom.

How do you pronounce Críostaíocht in Irish?

Críostaíocht is said like “KREES-tee-ukht” (IPA /ˈkɾʲiːst̪ˠiːəxt̪ˠ/).

Does Críostaíocht have a plural?

No. Críostaíocht is a name, so it is used in the singular only.

Does Críostaíocht have more than one meaning?

Yes. Críostaíocht can mean Christianity or Christendom, depending on context; the first is the most common.

Why does Críostaíocht change to Chríostaíocht or gCríostaíocht?

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

What is the difference between Críostaíocht and Críostaí?

Críostaíocht is the religion, Christianity, while Críostaí is a Christian, a person who follows it.

Is Críostaíocht used with the article?

Yes, it normally takes the article: an Chríostaíocht, as in 'Tháinig an Chríostaíocht go hÉirinn'.

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