The enumeration date is as you surmised the actual date the info was recorded. The official enumeration date was 1 June 1850, all questions were to refer to that date. So she probably died sometime between 1 June and Sept 11. Don.
Definition of plague. 1  an annoyance; those children are a damn plague. 2  any large scale calamity (especially when thought to be sent by God) 3  a swarm of insects that attack plants; a plague of grasshoppers. 4  any epidemic disease with a high death rate.
plague is a bacterial infection found mainly in rodents and their fleas but via those fleas it can sometimes leap to humans when it does the outcome can be horrific making plague outbreaks the most notorious disease episodes in historylague is a bacterial infection found mainly in rodents and their fleas but via those fleas it can sometimes leap to humans when it does the outcome can be horrific making plague outbreaks the most notorious disease episodes in history