Kel, Or the Origin of a Civilisation

Mentionable names involved in this story exerpt:

Cernunnos, Eladh, Scathach, Lahn, Danu, Cianath, Ogmannan, first appearance of cenaturs, Avagd, Senetha, Kel an Tiradh, Shiobhan, Fiann, Neraidh, Murgan