Conjucture, this, entirely.

'Last Grass' would possibly mean "last spring, when the new grass grew."?
'The full of the house.'   Possibly A house-full (large quantity of).
'Seaside Snaps" From context, a magazine.

The last line of the verse puzzles me though. Is she pro or anti striking? Or is industrial striking the meaning?

Val Doonican's version had it 'and if there's any GIN around, 'tis ...