Notes:
Data source and researcher is Douglas Mumma, 2123 Farmington Place, Livermore, CA 94550
In some earlier genealogies, Jacob is listed as "Jacob Henry Mumma". As far as I can determine, Jacob did not have a middle name of Henry. I believe that this confusion was caused by the fact that Jacob's older brother, Henry Mumma, migrated to Sharpsburg two years after Jacob. Also, both brothers named their first born children with the same first names, so some of the early researchers became confused and assumed that there were not two people, but one who used the name of Jacob one time and Henry at other times. Hence, Jacob has been sometimes incorrectly called "Jacob Henry Mumma". This error is found in Robert Moomaw's book.
Jacob migrated to Sharpsburg in 1796 with several other families from Lancaster. I believe that his unmarried sister, Barbara Mumma, also migrated with Jacob and his family at that time.
Jacob MUMA appears in the 1790 census for Hempfield Township of Lancaster County with 2 males over the age of 16 and 2 males less than 16. There were 4 females listed. This is more people than he had in his household, so it is likely that his sister, Barbara is living with them or it could be his brother, David, with his wife and children. His father willed him his house on the understanding that he would allow his mother and unmarried sisters to remain in the house as long as they lived.
There is a document filed in Washington County, MD in which Elizabeth Hertzler Mumma (wife of Jacob Mumma) and Barbara Hertzler Sherrick, authorize Jacob Mumma to act in their behalf regarding the estate settlement of their father, John Hertzler in Lancaster County, PA This document was written in 1799 and nicely connects the Hertzler (Hartzler) families to the Mumma family as well as Jacob Sherrick and to Lancaster county, PA
I believe Barbara Mumma, sister of Jacob Mumma, is one of the females listed in the household of Jacob Mumma in the 1800 census listed below.
1800 Census, MD, Washington Co., Sharpsburg 100, p. 111
Jacob MUMA
1 males, age 0-10 [son Jacob]
1 male, age 10-16 [son John]
3 males age 26-45 [Jacob - it is unclear who the other 2 males are]
3 females, age 0-10 [daughters Barbara, Elizabeth & Mary]
2 females 16-26 [unknown who these might be - One may be Jacob's sister, but the age bracket is wrong]
1 female 26-45.[Jacob's wife Elizabeth Hertzler]
2 slaves
Jacob and his older brother, Henry, appear on the tax rolls of Sharpsburg, MD in 1803. These original tax records are stored in the Washington County Public Library, Western Maryland Room. A review of the records reveals that Jacob was much more wealthy. Jacob Mumma owned 512 acres, had a male and female slave, 16 horses, 46 cows, 25 hogs/sheep, 3 stills and personal property. He was taxed on a total value of 2008 English pounds. Henry, his brother, had no slaves or land, 5 horses, 4 cows, 2 stills & personal property. His taxation value was 88 English pounds. I believe it is likely that Henry lived as a tenant on the large parcel of land that his brother owned.
In the local Hagerstown newspaper of unknown date, the following advertisement appears.
EIGHT DOLLARS REWARD
Runaway for the subscriber, living one mile from Sharpsburgh, on Sunday the 8th of June, a Negro Man named GEORGE AMOS, 26 years old, 5 feet 9 inches high, stout built, has has his right leg broke and which is longer than the other - has a scar on his jaw. Had on a striped waistcoat, flax coloured trowsers, half worn shoes, an old hat, and a home made shirt - But is probablle that he has changed his clothes, and it is expected that he has got a counterfeit pass. The subseriber will pay the above reward to any person that will secure him in any jail so that he may get him again, or give information where he may be found, or returned to JACOB MUMMA
Washington County, (Maryland)
June 13, 1806
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Frederick Co, MD Equity Court Abstracts - JS-4
245-257 - STALEY, MUMMA, DORSEY - Mar 1823
Jacob MUMMA of Washington County vs Peter STALEY of Frederick County
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Peter STALEY owned land tracts, part "Hammond Contrivance" and "Long Trusted", conveyed to him by Caleb DORSEY (of Thomas) on deed dated 13 Apr 1815 (JS-1, 17), mortgaged to Jacob MUMMA with monies still unpaid. Frederick A. SCHLEY was trustee to sell the property to payoff the mortgage. Mumma and the two sons of Peter STALEY, David STALEY and Solomon STALEY,
attended the sale held on 17 Apr 1824 with Jacob MUMMA being high bidder for $505. Prior to the execution of the mortgage, STALEY had conveyed part of the premises to Jacob FAIR, leaving only 202 acres in this sale.
On 22 Dec 1825, Jacob MUMMA filed a Petition for Injunction as Peter and his sons have remained on the premises and were cutting down the rail timber to sell and causing great loss to the land; STALEY refused to give up possession of the property. Injunction was granted.
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Jacob Mumma migrated to Sharpsburg around 1796 and he purchased 324 acres of land for 5,500 pounds from Christopher Orendorff which included what was later called the Mumma farm. Jacob turn over the running of the farm to his youngest son, Samuel Sr. on 8 Jan 1831. He sold him the farm for $20,000 on 30 April 1837. At that time Samuel was Jacob's the only living son. Jacob died in 1848. In 1851 Samuel Mumma, Sr. deeded land to the Church of the Brethren for a church, sometimes called the Dunker Church. Samuel Sr. was the owner of the farm when the Battle of Antietam occurred. In April 1876, 6 months before his death, Samuel Sr. deeded the Mumma farm and land to his son, Henry Clay Mumma and his wife, Barbara. In 1885 they sold land out of the Mumma family to Rozin Fisher.
An interesting story about the Mumma Bible and the Dunker Church is found in the notes of Samuel Mumma, Jr., the son of Samuel Mumma Sr. and half brother of Henry Clay Mumma. Samuel was the postmaster in Sharpsburg and received a letter about the bible.