Maid-of-all-work

Now this honest little fellow being a bachelor, keeps but one servant, which he calls a maid of all work. When he gets drunk, which doth not happen above seven times a week, he is never so happy as when he is expatiating on the virtues of this virgin of his, especially her sobriety.

Source: wiktionary

The Irish maid Betty Flanagan’s bonnets and ribbons, her sauciness, her idleness, her reckless prodigality of kitchen candles, her consumption of tea and sugar, and so forth occupied and amused the old lady almost as much as the doings of her former household […] about which the good lady talked a hundred times a day. And besides Betty Flanagan, Mrs. Sedley had all the maids-of-all-work in the street to superintend.

Source: wiktionary

Directly you come to incomes below a thousand a year, the number of servants is often reduced to a maid-of-all-work, more or less competent according to her wages, which run from seven to fifteen shillings a week. At the former price she knows absolutely nothing; at the latter something of everything. She cooks, washes, sweeps, dusts, makes the beds, clears the baths, and answers the door.

Source: wiktionary

[…] it is difficult to define with clearness the exact duties of the maid-of-all-work. She understands that she is to do cooking, waiting, and chamber-work, and probably washing and ironing.

Source: wiktionary