THE MIDNIGHT MARRIAGE: Why is Reb Leib Saras named after his mother, Sara?

The Zlatcha, Polish noblemen, entrusted the Jews with many of their industries, including the very profitable liquor industry and innkeeping. The Jew was recognized as responsible and trustworthy while loathed for their religious observance.  If they sold too much liquor, they were reviled as poisoning the populace. If they did not sell too much liquor, the zlatcha would harass them for the lack of business and profits. The son of a wealthy nobleman shocked Sara with a proposal of marriage. No one ever told Matis, NO.....until now