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Birch in Irish (Beith): Meaning, Pronunciation, Usage

‘beith’ also means: letter b in ogham

The Irish for birch is beith, a feminine noun (plural beitheanna).
Updated October 2026Report a mistake

How to say “birch” in Irish

Irish:
beith
English:
birch, letter b in ogham
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“beh”  /bʲɛh/
Various forms
Plural:
beitheanna (birches)
Genitive singular:
beithe, na beithe (e.g. coirt na beithe, the bark of the birch)
Genitive plural:
beitheanna, na mbeitheanna (e.g. duilleoga na mbeitheanna, the leaves of the birches)

What does “beith” mean?

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

birch
A slender tree with white or silvery bark, common in Ireland.Also: birch tree, silver birch.
1 other meaning: letter b in ogham
2letter b in ogham
The name of the letter B in the Ogham alphabet, named after the birch tree.Also: ogham b, letter b.

“Beith” with the article

The plural of birch in Irish is beitheanna. Here is beith after the article (an t-alt), in the singular and the plural.

an bheith
the birch
Lenition: b becomes bh after an (feminine noun)
na beitheanna
the birches
Plural: no change after na

“Beith” in a sentence: Irish examples

Common Irish sentences using beith, the Irish word for birch.

Tá beith ard ag fás sa ghairdín.
A tall birch is growing in the garden.
Is breá liom an bheith san fhómhar.
I love the birch in autumn.
Tá coirt na beithe bán.
The bark of the birch is white.
Chuireamar beitheanna in aice leis an teach.
We planted birches beside the house.
Shuíomar faoin mbeith ar feadh tamaill.
We sat under the birch for a while.
Tá a lán beitheanna sa choill seo.
There are many birches in this wood.

Other nouns in Irish

More everyday Irish nouns to learn next.

Birch in Irish: frequently asked questions

What is the Irish for birch?

The Irish for birch is beith (pronounced “beh”). It’s a feminine noun and the plural is beitheanna. Depending on context it can also mean letter b in ogham.

How do you pronounce beith in Irish?

Beith is said like “beh” (IPA /bʲɛh/).

What is the plural of birch in Irish?

The plural of beith is beitheanna; with the article, na beitheanna means “the birches”. The genitive plural is beitheanna, as in duilleoga na mbeitheanna (the leaves of the birches).

Does beith have more than one meaning?

Yes. Beith can mean birch or letter b in ogham, depending on context; the first is the most common.

Why does beith change to bheith or mbeith?

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

Is 'beith' related to the Irish letter names?

Yes, in Ogham the letter B is called beith, after the birch tree, and traditional Irish letter names were taken from trees.

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