Irish name elements

abhainn

river

achadh

field

aill

cliff

ard

height; high

áth

ford

bá

bay

baile

townland, town, homestead

bán

white; lea-ground, grassy

barr

top

beag

small

béal

opening, approach, mouth

bealach

way, pass

bearna

gap

beith

birch

binn

peak, cliff

both

hut, cell

bóthar

road

breac

speckled

buaile

cattle-fold, summer-pasture

buí

yellow

bun

(river-)mouth, bottom(-land)

caiseal

stone ring-fort

caisleán

castle

caoin

pleasant, fair

caol

narrow; a narrow; marshy stream

carn

cairn, pile of rocks

carraig

rock

ceann

head, headland

ceapach

plot of land, tillage plot

ceathrú

quarterland

cill

church

cillín

little church

clais

trench, ravine

clár

plank bridge; plain

cloch

stone, stone building

clochán

stepping-stones, causeway; old stone structure

clochar

stony place

cluain

meadow, pasture

cnoc

hill

cnocán

hillock

coill

wood

coillín

little wood

coimín

commonage, common land; little hollow, glen

coll

hazel

com

hollow, coomb

cora

weir, stone-fence, ford

corr

round hill, pointed hill, hollow; pointed, conspicuous, odd

cos

foot; beside

creag

rock, crag

creagán

rocky place

crois

cross; crossroads

cuan

bay, harbour, recess

cúil

corner, nook

cuileann

holly

currach

marsh

dair

oak

dearg

red, red one

díseart

hermitage

doire

(oak-)wood, grove, thicket

domhnach

church

droichead

bridge

droim

ridge

dromainn

ridge

dubh

black

dún

fort

éadan

brow

eanach

marsh

fada

long

fearann

land

fiodh

wood

fionn

white

gabha

smith

gall

foreigner; standing stone

gamhain

calf

garbh

rough, rough one

garrán

grove

garraí

garden, court

geal

bright, white

gearr

short

glas

green, grey

glas

stream

gleann

glen

gléib

glebe

goirtín

little field

gort

field

gráig

hamlet; cattle-steading?

gráinseach

grange, monastic farm

inis

island; river meadow

íochtar

lower, northern part

iúr

yew-tree

ladhar

fork

leac

flat stone or rock, flagstone

leaca

hillside

leacht

grave-mound, monument

leath

half, side

léim

leap

leitir

hillside

liath

grey, grey place, grey horse

lios

ring-fort, enclosure

loch

lake; inlet

log

hollow

lorgain

long low ridge; strip of land

machaire

plain

maigh

plain

mainistir

monastery

maol

bare, flat-topped; derelict; bare, flat-topped hillock

mín

smooth

mín

mountain pasture

móin

bogland

mór

great, big

muc

pig

muileann

mill

muine

thicket

mullach

hilltop

nua

new

oileán

island

páirc

field

poll

hole, pool, (tidal-)stream?

port

port, bank, fort

ráithín

small ring-fort

ráth

ring-fort

riabhach

streaked, grey

rinn

point, headland

ros

(wooded) height; wood; promontory

rua

red; red place

sail

willow-(tree)

sceach

hawthorn, thorn-bush

sean

old

seisceann

swamp, bog

sián

fairy mound

sliabh

mountain, moor

srath

holm, river-meadow, valley-bottom

tamhnach

arable place, field

taobh

(hill-)side

teach

house

teampall

church

tír

land, territory

tobar

well

tóchar

causeway

tóin

bottom(-land)

trá

strand, beach

tuaim

(grave-)mound, burial-place

tuar

animal-enclosure; lea(-field); bleaching-green

tuairín

little animal-enclosure; little lea(-field); little bleaching-green

tulach

hillock

uachtar

upper, southern part

uaimh

cave, souterrain

uinse

ash-tree

allt

steep-sided glen, height, cliff

cé

quay

cliath

hurdle, wattle

comar

confluence; meeting-place

crann

tree

craobh

tree, branch

cruach

stack, peak

cuas

hollow; cove, creek

dá

two

daingean

fortress

doirín

little oak-wood

eaglais

church

eiscir

ridge

faiche

green (ainmfhocal/noun)

feadán

watercourse, stream

fiach

raven

gabhar

goat

gaoth

wind

gaoth

inlet, estuary

gob

point, headland

gréach

rough pasture-land?

imleach

marginal-land, border-land

iolar

eagle

lao

calf

leaba

grave, megalithic tomb, bed

leamhán

elm-tree

léana

water-meadow

learga

hillside

lia

stone, pillar-stone

lisín

small ring-fort

luachair

rushes, rushy place

madra

dog

meall

knoll

móinín

small bogland

móta

moat, earthen embankment

mullán

hillock; green field

sagart

priest

scairt

thicket

sionnach

fox

sráid

street, village

tor

tall rock, steep rocky height; bush, clump

trian

third

uisce

water

Ó

aiteann

furze, gorse

feart

(grave-)mound

dumha

(grave-)mound, sand-bank

Eo

yew

tonn

bog, swamp

abhaill

apple-tree

mac tíre

Wolf

creamh

wild garlic

fearn

alder

trom

elder

dris

bramble, briar

draighean

blackthorn

bile

(large, sacred) tree

cartún

name of a measure of land (quarter)

poitéal

Poitéal refers to a measure of land and appears to be a borrowing from English 'pottle'. (Note the meaning 'A measure of two quarts' in Cheshire; cf. 'a measure of land equivalent to twelve acres' OED.)

turlach

winter lake

seisíoch

sixth part (of land)

feadóg

plover

seisreach

plough-team; plough; ploughland