Collected by Mona Douglas, from Cathy Quayle of The Whallag.
This is from Mona's manuscript -

Milking Song (Arrane y Vlieaun)

Let a blessing be upon thee
If you give me milk a-plenty
Give thy milk now quick and easy
Then the calf shall come to suck thee
Little dark one, sweet the grazing
In the meadow by the river
Give thy milk now, and my blessing
Be upon thee, little cow.

The other version in Manx Gaelic is to a different, though related,
tune, and would fit to the Island Shieling Song.

Collected by Mona Douglas from Mrs Faragher, Kerrowglass -

Arrane y Vlieaun

1. Cur dty vainney, cur dty vainney
Choud's mish ta goaill arrane
Lhig da'n churn nish goll harrish
Lesh dty vainney, my vooa veen.

Chorus: Bannaght Jee nish cur orts nish
Ayr as Mac as Spyrryd Noo
As Moirrey Bannit bishee dty vainney
My vooa veen

2. Mie dty vainney, mie dty vainney
Lesh kay son yn eeym
Jean dty chooidshare dy chur dou palchey
As yiow uss tooilley oarn

which could translate as -

1. Give your milk whilst 'tis I that sings. Let the pail now go
over with your milk, my dear cow.

Chorus: The blessing of God now put on you now, Father and Son
and Holy Spirit, and Blessed Mary increase your milk, my dear cow.

2. Good your milk, with cream for the butter. Do your best to give
me plenty, and you'll get more barley.

Hope that's of some interest, if not quite what you're looking for.

Shoh slaynt,

Bobby Bob