Noun	Nom. Sing	Gen. Sing.	Nom. Pl.	Gen. Pl.	Phonetics
abhlann	Wafer, host				owl lan(d)
	an abhlann	na habhlainne	na habhlanna	na n-abhlann
amharclann	theatre				ow arc lan(d)
	an amharclann	na hamharclainne	na hamharclanna	na n-amharclann
aoslann	old age home				ace lan(d)
	an aoslann	na haoslainne	na haoslanna	na n-aoslann
áraslann	condominium				or us lan(d)
	an áraslann	na háraslainne	na háraslanna	na n-áraslann
armlann	armory				arm lan(d)
	an armlann	na harmlainne	na harmlanna	na n-armlann
bialann	restaurant				be a lan(d)
	an bhialann	na bialainne	na bialanna	na mbialann
beachlann	apiary				bach lan(d)n
	an bheachlann	na beachlainne	na beachlanna	na mbeachlann
carrostlann	motel				car (h)ost lan(d)
	an charrostlann	na carostlainne	na carrostlanna	na gcarrostlann
cartlann	archives				cart lan(d)
	an chartlann	na cartlainne	na cartlanna	na gcartlann
ceardlann	workshop				card lan(d)
	an cheárdlann	na ceárdlainne	Na ceárdlanna	na gceárdlann
clann	children				klon(dike)
	an chlann	na clainne	na clanna	na gclann
clólann	print works				clo(ne) lan(d)
	an chlólann	na clólainne	na clólanna	na gclólann
cógaslann	pharmacy				co guss lan(d)
	an chogaslann	na cogaslainne	na gcogaslann	na gcogaslann
comhlann	contest				colon
	an chomhlann	na comhlainne	na comhlanna	na gcomhlann
corlann	choir of church				core lan(d)
cothabhálann	maint  garage
dánlann	art gallery				dawn lan(d)
	an dánlann	na dánlainne	na dánlanna	na n-dánlann
deochlann	Pub				chuck lan(d)
	an deochlann	na deochlainne	na deochlanna	na ndeochlann
dialann	diary				gee uh lan(d)
dilleachlann	orphanage				dill lock lan(d)
	an dilleachlann	na dilleachlainne	na dilleachlanna	Na n-dilleachlann
drioglann	distillery				drug lan(d)
	an dhrioglann	na drioglainne	na drioglanna	na ndrioglann
drólann	colon (med)				dro(ve) lan(d)
	an drólann	na drólainne	na drólanna	na drólann
druglann	drugstore				drug lan(d)
	an druglann	na druglainne	na druglanna	na n-druglann
drúthlann	brothel				drew lan(d)
	an drúthlann	na drúthlainne	na drúthlanna	na n-drúthlann
éanlann	aviary				(p)ain lan(d)
	an éanlann	na héanlainne	na héanlanna	na n-éanlann
feithealann	waiting room
	an fheithealann	na feitheainne	na feithhealanna	na feithealann
gealtlann	Lunatic asylum
gorlann	hatchery				gore lan(d)
	an ghorlann	na gorlainne	na gorlanna	na ngorlann
gríosclann	grill				greese lan(d)
	an ghríosclann	na gríosclainne	na gríosclanna	na gríosclann
grúdlann	brewery				grew +d lan(d)
	an ghrúdlann	na grúdlainne	na grúdlanna	na ngrúdlann
iarsmalann	museum
Íoclann	dispensary
lann	plate				lan(d)
	na lainne	na lanna	na lanna	na lann
leabharlann	library				y+(sh)ower lan
	an leabharlann	na leabharlainne	na leabharlanna	Na leabharlann
líonolann	Lint				lean ole lan(d)
	an líonolann	na línolainne	na línolanna	na línolann
longlann	dock yard				long lan(d)
	an longlann	na longlainne	na longlanna	na longlann
marbhlann	morgue				marv(el) lan(d)
	an mharbhlann	na marbhlainne	na marbhlanna	na marbhlann
marglann	Mart				marr glan(d)
	an mharglann	na marglainne	na marglanna	na marglann
naiolann	nursery				knee lan(d)
	an naiolann	na naiolainne	na naiolanna	na naiolann
neachtlann	laundry				knocked lan(d)
	an neachtlann	na neachtlainne	na neachtlanna	na neachtlann
obrádlann	operating room				up broad lan(d)
	an obrádlann	na hobrádlainne	na hobrádlanna	na n-obrádlann
otharlann	infirmary				bu(t) her lan(d)
	an otharlann	na hotharlainne	na hotharlanna	na n-otharlann
olann	wool
	an olann	na holainne	na holna	na holna
óstlann	Hotel				(h)ost lan(d)
	àn óstlann	na hóstlainne	na hóstlanna	na n-óstlann
pictiuirlann	cinema				picture lan(d)
	an phictiúrlann	na pictiúrlainne	na pictiúirlanna	na bpictiúrlann
pileárlann	gun magazine				piller lan(d)
	an philearlann	na pilearlainne	na pilearlanna	na bpilearlann
readlann	observatory				red lan(d)
	an readlann	na readlainne	na readlanna	na readlann
sadhlann	silo				sa(d) lan(d)
	an sadhlann	na sadhlainne	na sadhlanna	na sadhlann
saotharlann	laboratory			see her lan(d)	deer lan(d)
	an saotharlann	na saotharlainne	na saotharlanna	na saotharlann
scaglann	refinery
tallann	talent, gift				talen(t)
uachtarlann	creamery			wok tar lan(d)	wok tur(d) lan
	an uachtarlann	na huachtarlainne	na uactarlanna	na n-uactarlann

Masculine nouns that end in -lann

anlann m1	sauce			on lan(d)	on lan(d)
	an t-anlann	an anlainn	na hanlainn	na n-anlann
muileann	Mill			mill lan(d)	mill lan(d)
	an muileann	na mhuilinn	na muilne	na muilne

  The nouns above are all female of the second declention except for the last two which are masculine of the first declention 
The -lann nouns have weak plurals  A weak plural does not have the same ending in nominative and genitive plural 
If you know how to decline one of these -lann words, you know how to decline them all 
To make the nominative singular form with the article, lenite the initial consonant where possible 
To make the genetive singular form, simply make the ending slender and add an "e" to the end of the nominative form: bialann becomes bialainne 
To make the nominative plural, add an 'a' to the end of the nominative singular form: bialann becomes bialanna 
To make the genitive plural form, do nothing to the nominative singular form  They are the same: bialann remains bialann 
 
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