Mertz Genealogy - Person Sheet
Mertz Genealogy - Person Sheet
NameCatherine Harshman 3557,3558
Birth6 September 1786
Memo(find-a-grave)
Death18 January 1871
Memo(find-a-grave)
BurialBoonsboro Cemetery, Washington Co, MD
Spouses
Birth1788
Memo(younger than Peter, alive by 1790)
Deathabout 1855
Memo(present in 1850 Census, just his widow in 1860)
FatherJohann Peter Marts (T3) (1750-<1804)
Marriage26 July 1817
Marr Memo(Maryland Marriages database on Ancestry.com)
ChildrenCornelius N (1832-1928)
Birth, Parent-Proof, Designation notes for Catherine Harshman
Her find-a-grave memorial links her to her parents and siblings.
Birth, Parent-Proof, Designation notes for John N (Spouse 1)
His father’s will referred to his son John, not yet 18.

John is designated T3b.
Relocated and Census Tracking notes for John N (Spouse 1)
This whole family is elusive in 1820. I cannot find his older brother Peter who John may be still living with and if John has already married and is living on his own, I cannot find him.

In 1830, I can find John in Frederick County, MD and then in 1840 and 1850 he is in Washington County, MD.

In the 1850 Census, a Simon P Summers lives in John’s household. That name resonates with the name of John Summers who was Theobald’s neighbor and fellow shoemaker in Frederick in the 1760’s .

He is not listed on the 1860 Census but his widow Catherine is present in Boonsboro, now with two young Summers males.
Death and Find-a-Grave notes for John N (Spouse 1)
John’s wife is on find-a-grave. Her tombstone says wife of John Mertz. He predeceased her but I would think he is also buried in the Boonsboro Cemetery but no note of it is on find-a-grave.
Last Modified 27 December 2015Created 19 June 2022 using Reunion for Macintosh
19 June 2022
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