Irish reference
Selected Irish numbers up to 100
This list shows selected numbers up to 100, not every number in between. Compare the number forms with their English meanings. Counting forms, forms used with people and examples appear only where the source data records them.
Irish number list
- 1oneaon
Counting: a haon
People: duine amháin
Ordinal: céad
oneSource: data/content/irish/numbers.json#ir-num-1 - 2twodó
Counting: a dó
People: beirt
Ordinal: dara
dhá chat (cat)Mutation: lenition
dhá bhean (woman)Mutation: lenition
dhá fhear (man)Mutation: lenition
dhá theach (house)Mutation: lenition
twoSource: data/content/irish/numbers.json#ir-num-2 - 3threetrí
Counting: a trí
People: triúr
Ordinal: tríú
trí chat (cat)Mutation: lenition
trí bhean (woman)Mutation: lenition
trí fhear (man)Mutation: lenition
trí theach (house)Mutation: lenition
threeSource: data/content/irish/numbers.json#ir-num-3 - 4fourceathair
Counting: a ceathair
People: ceathrar
Ordinal: ceathrú
ceithre chat (cat)Mutation: lenition
ceithre bhean (woman)Mutation: lenition
ceithre fhear (man)Mutation: lenition
ceithre theach (house)Mutation: lenition
fourSource: data/content/irish/numbers.json#ir-num-4 - 5fivecúig
Counting: a cúig
People: cúigear
Ordinal: cúigiú
cúig chat (cat)Mutation: lenition
cúig bhean (woman)Mutation: lenition
cúig fhear (man)Mutation: lenition
cúig theach (house)Mutation: lenition
fiveSource: data/content/irish/numbers.json#ir-num-5 - 6sixsé
Counting: a sé
People: seisear
Ordinal: séú
sé chat (cat)Mutation: lenition
sé bhean (woman)Mutation: lenition
sé fhear (man)Mutation: lenition
sé theach (house)Mutation: lenition
sixSource: data/content/irish/numbers.json#ir-num-6 - 7sevenseacht
Counting: a seacht
People: seachtar
Ordinal: seachtú
seacht gcat (cat)Mutation: eclipsis
seacht mbean (woman)Mutation: eclipsis
seacht bhfear (man)Mutation: eclipsis
seacht dteach (house)Mutation: eclipsis
sevenSource: data/content/irish/numbers.json#ir-num-7 - 8eightocht
Counting: a hocht
People: ochtar
Ordinal: ochtú
ocht gcat (cat)Mutation: eclipsis
ocht mbean (woman)Mutation: eclipsis
ocht bhfear (man)Mutation: eclipsis
ocht dteach (house)Mutation: eclipsis
eightSource: data/content/irish/numbers.json#ir-num-8 - 9ninenaoi
Counting: a naoi
People: naonúr
Ordinal: naoú
naoi gcat (cat)Mutation: eclipsis
naoi mbean (woman)Mutation: eclipsis
naoi bhfear (man)Mutation: eclipsis
naoi dteach (house)Mutation: eclipsis
nineSource: data/content/irish/numbers.json#ir-num-9 - 10tendeich
Counting: a deich
People: deichniúr
Ordinal: deichiú
deich gcat (cat)Mutation: eclipsis
deich mbean (woman)Mutation: eclipsis
deich bhfear (man)Mutation: eclipsis
deich dteach (house)Mutation: eclipsis
tenSource: data/content/irish/numbers.json#ir-num-10 - 11elevenaon déag
Counting: a haon déag
People: aon duine dhéag
Ordinal: aonú ... déag
aon chat déag (cat)Mutation: lenition
aon bhean déag (woman)Mutation: lenition
aon fhear déag (man)Mutation: lenition
aon teach déag (house)
elevenSource: data/content/irish/numbers.json#ir-num-11 - 12twelvedó dhéag
Counting: a dó dhéag
People: dháréag
Ordinal: dóú ... déag
dhá chat déag (cat)Mutation: lenition
dhá bhean déag (woman)Mutation: lenition
dhá fhear déag (man)Mutation: lenition
dhá theach déag (house)Mutation: lenition
twelveSource: data/content/irish/numbers.json#ir-num-12 - 13thirteentrí déag
Counting: a trí déag
People: triúr déag
Ordinal: tríú ... déag
trí chat déag (cat)Mutation: lenition
trí bhean déag (woman)Mutation: lenition
trí fhear déag (man)Mutation: lenition
trí theach déag (house)Mutation: lenition
thirteenSource: data/content/irish/numbers.json#ir-num-13 - 14fourteenceithre déag
Counting: a ceathair déag
People: ceathrar déag
Ordinal: ceathrú ... déag
ceithre chat déag (cat)Mutation: lenition
ceithre bhean déag (woman)Mutation: lenition
ceithre fhear déag (man)Mutation: lenition
ceithre theach déag (house)Mutation: lenition
fourteenSource: data/content/irish/numbers.json#ir-num-14 - 15fifteencúig déag
Counting: a cúig déag
People: cúigear déag
Ordinal: cúigiú ... déag
cúig chat déag (cat)Mutation: lenition
cúig bhean déag (woman)Mutation: lenition
cúig fhear déag (man)Mutation: lenition
cúig theach déag (house)Mutation: lenition
fifteenSource: data/content/irish/numbers.json#ir-num-15 - 16sixteensé déag
Counting: a sé déag
People: seisear déag
Ordinal: séú ... déag
sé chat déag (cat)Mutation: lenition
sé bhean déag (woman)Mutation: lenition
sé fhear déag (man)Mutation: lenition
sé theach déag (house)Mutation: lenition
sixteenSource: data/content/irish/numbers.json#ir-num-16 - 17seventeenseacht déag
Counting: a seacht déag
People: seachtar déag
Ordinal: seachtú ... déag
seacht gcat déag (cat)Mutation: eclipsis
seacht mbean déag (woman)Mutation: eclipsis
seacht bhfear déag (man)Mutation: eclipsis
seacht dteach déag (house)Mutation: eclipsis
seventeenSource: data/content/irish/numbers.json#ir-num-17 - 18eighteenocht déag
Counting: a hocht déag
People: ochtar déag
Ordinal: ochtú ... déag
ocht gcat déag (cat)Mutation: eclipsis
ocht mbean déag (woman)Mutation: eclipsis
ocht bhfear déag (man)Mutation: eclipsis
ocht dteach déag (house)Mutation: eclipsis
eighteenSource: data/content/irish/numbers.json#ir-num-18 - 19nineteennaoi déag
Counting: a naoi déag
People: naonúr déag
Ordinal: naoú ... déag
naoi gcat déag (cat)Mutation: eclipsis
naoi mbean déag (woman)Mutation: eclipsis
naoi bhfear déag (man)Mutation: eclipsis
naoi dteach déag (house)Mutation: eclipsis
nineteenSource: data/content/irish/numbers.json#ir-num-19 - 20twentyfiche
Counting: fiche
Ordinal: fichiú
twentySource: data/content/irish/numbers.json#ir-num-20 - 30thirtytríocha
Counting: tríocha
Ordinal: tríochadú
thirtySource: data/content/irish/numbers.json#ir-num-30 - 40fortydaichead
Counting: daichead
Ordinal: daicheadú
fortySource: data/content/irish/numbers.json#ir-num-40 - 50fiftycaoga
Counting: caoga
Ordinal: caogadú
fiftySource: data/content/irish/numbers.json#ir-num-50 - 60sixtyseasca
Counting: seasca
Ordinal: seascadú
sixtySource: data/content/irish/numbers.json#ir-num-60 - 70seventyseachtó
Counting: seachtó
Ordinal: seachtódú
seventySource: data/content/irish/numbers.json#ir-num-70 - 80eightyochtó
Counting: ochtó
Ordinal: ochtódú
eightySource: data/content/irish/numbers.json#ir-num-80 - 90ninetynócha
Counting: nócha
Ordinal: nóchadú
ninetySource: data/content/irish/numbers.json#ir-num-90 - 100one hundredcéad
Counting: céad
Ordinal: céadú
one hundredSource: data/content/irish/numbers.json#ir-num-100
Counting and people
The data distinguishes counting forms from forms used with people. They are shown separately so you can compare them rather than treating them as interchangeable.
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