Which preposition to use with dairymaids

at Occurrences 1%

We have no women except old Bella and the dairymaid at Ashness.

into Occurrences 1%

'Wasn't it you and some others who scared our dairymaid into fits one night last winter, by playing pranks, after dark, outside the dairy window?' 'Yes, sir,' said Teddy humbly.

of Occurrences 1%

Dairymaids of the ordinary classnot competent to make special cheeseare becoming rarer, on account of the demand for their services decreasingthe milk trade and cheap foreign cheese having rendered common sorts of cheese unprofitable.

Which preposition to use with  dairymaids