The following is found in the Baltimore Marriage records
Name: Mary Crismond
Gender: Female
Marriage Date: 15 Sep 1806
Spouse: Jacob Mumma
Spouse Gender: Female
County: Baltimore County
This Jacob is the likely candidate as having married Mary, but no further information is known.
Father:David MUMMA (b. ABT 1727, Europe - d. 14 OCT 1791, Baltimore, MD) Mother:Maria Barbara HICKMAN (b. AFT 1750 - d. ABT JUN 1804, Baltimore Co., MD)