Aodhan (Aid-awn)

Cormac

Sean (Shawn)

Lorcan (Lor-can)

Kieran (Key-rawn)

Conor

Brion

Cathal (Kaw-hal)

Ronan

Odhran (O-rawn)

Cullen

Seamus

Niall

Cian (Kee-in)

Donal

Colm

Killian

Breccan

Eoin (Owen/ Ee-in)

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I only added pronunciation to a few but I think the rest are easier . (But if you still need a pronunciation then just ask : )