Can anyone tell me what happened to this woman?

Question

This woman was born to Archibald Herd ad his wife Elizabeth Duncan.  She lived at home during one census but cannot find her after her mother died  Does anyone know what happened to her?

Answer 1

I can see her with both parents on the 1851 and 1861 censuses.

There is an unmarried  Margaret Heard on the 1871 England, Wales & Scotland Census living at Wallace's Pend, 18, Dundee, St Peter, Forfarshire (Angus), Scotland:

Margaret	Heard	Head	Unmarried	Female	47	1824	Weaver	-	Transcription
Elizabeth	Heard	Daughter	-	Female	13	1858

Then on the 1881 England, Wales & Scotland Census living at
80, Blackness Road, Liff & Benvie, St Peters, Forfarshire (Angus), Scotland with her daughter:

Margaret	Herd	Head	Unmarried	Female	58	1823	Kilrenny, Fife, Scotland	Factory Worker	Transcription
Elizabeth	Herd	Daughter	Unmarried	Female	23	1858	Dundee, Forfarshire (Angus), Scotland	Factory Worker