"Yeoman" is an antiquated term for farmers, tradesmen and other members of the early English middle class. The term suggests someone upright, sturdy, honest and trustworthy.
Yeoman is also a naval occupation, roughly equivalent to a secretary.
... 16.1% have a female householder with no husband present, and 37.4% are non-families. 31.6% of all households are made up of individuals and 12.1% have someone living alone ...