« Reply #1 on: Friday 29 June 18 14:13 BST (UK) »
This was also the wording on my illegitimate Grandmother's birth certificate. Her unmarried mother was aged 17 and lived with her family.
I think it might just mean that the Mother was not in any form of paid work.
Conroy, Fitzpatrick, Watson, Miller, Davis/Davies, Brown, Senior, Dodds, Grieveson, Gamesby, Simpson, Rose, Gilboy, Malloy, Dalton, Young, Saint, Anderson, Allen, McKetterick, McCabe, Drummond, Parkinson, Armstrong, McCarroll, Innes, Marshall, Atkinson, Glendinning, Fenwick, Bonner