He married Wilhelmina Hund, and with her had several children, his son John succeeding him in his educational role.
In 1776 the couple were serving as baptismal sponsors in the Middletown Valley of Frederick County, Maryland.
Deisert produced mostly baptismal records, distinguished by the careful crosshatching of their backgrounds.
It has been posited that the fraktur artist Johannes Bard was a pupil.
Deisert also produced new years' greetings for neighbor girls, and wrote at least two sheets with German-language hymns.