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Diary in Irish (Cín): Meaning, Pronunciation, Usage

‘cín’ also means: small book

The Irish for diary is cín, a feminine noun (plural cíona).
Updated October 2026Report a mistake

How to say “diary” in Irish

Irish:
cín
English:
diary, small book
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“keen”  /kʲiːnʲ/
Various forms
Plural:
cíona (diaries)
Genitive singular:
cíne, na cíne (e.g. leathanaigh na cíne, the pages of the diary)
Genitive plural:
cíona, na gcíona (e.g. leathanaigh na gcíona, the pages of the diaries)

What does “cín” mean?

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

diary
A small book in which you write down daily events, mostly used in the phrase 'cín lae'.Also: journal, daybook.
1 other meaning: small book
2small book
A small book or manual, a literary or older use of the word.Also: manual, booklet.

Other Irish words for diary: dialann (diary)

“Cín” with the article

The plural of diary in Irish is cíona. Here is cín after the article (an t-alt), in the singular and the plural.

an chín
the diary
Lenition: c becomes ch after an (feminine noun)
na cíona
the diaries
Plural: no change after na

“Cín” in a sentence: Irish examples

Common Irish sentences using cín, the Irish word for diary.

Coinním cín lae gach bliain.
I keep a diary every year.
Scríobh sí ina cín lae gach oíche.
She wrote in her diary every night.
Cá bhfuil mo chín lae?
Where is my diary?
Foilsíodh an chín lae tar éis a bháis.
The diary was published after his death.
Bhí rúin ar leathanaigh na cíne.
There were secrets on the pages of the diary.
Léigh mé na cíona lae a d'fhág sé.
I read the diaries he left behind.
Tá cín lae Amhlaoibh Uí Shúilleabháin cáiliúil.
Amhlaoibh Ó Súilleabháin's diary is famous.

Other nouns in Irish

More everyday Irish nouns to learn next.

Diary in Irish: frequently asked questions

What is the Irish for diary?

The Irish for diary is cín (pronounced “keen”). It’s a feminine noun and the plural is cíona. Depending on context it can also mean small book.

How do you pronounce cín in Irish?

Cín is said like “keen” (IPA /kʲiːnʲ/).

What is the plural of diary in Irish?

The plural of cín is cíona; with the article, na cíona means “the diaries”. The genitive plural is cíona, as in leathanaigh na gcíona (the pages of the diaries).

Does cín have more than one meaning?

Yes. Cín can mean diary or small book, depending on context; the first is the most common.

Why does cín change to chín or gcín?

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

What is the difference between 'cín lae' and 'dialann'?

Both mean diary; 'cín lae' is the traditional term, famously in 'Cín Lae Amhlaoibh', while 'dialann' is common in modern usage, including for an appointment diary.

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