Unident'. is the way I usu. write the word. It fits the rhyme scheme too.
But that don't make no never-'; we still don't have a doc. vers.

(Sorry, Khandu, not poking fun, but c'dn't resist)

Not the same song, but it has the feel of "Paddy's Lamentation" as arr. from "The Irish Imigrant" (I'm Sitting on the Stile, Mary) by Paddy Maloney and Mary Black for "Long Journey Home."