Cat: Cat
Kitten: Piseag (Peesh-eag)
Rabbit: Coineanach
Dog: C`u (plural: Coin)
Puppy: Cuilean
Fish: Iasg
Gold-fish: Either "Iasg Oir" or "`Or Iasg", depending on preferance.
Hamster: Hamstair
Guinea Pig: Gearra Muc (literally, its almost garden pig)
Parrot:pearraid