
“Estray. […] J. M. Clark” advertisement, Southport [later Kenosha] Telegraph, Dec. 26, 1843, page 4
Hey! How did Mequon’s Jonathan M. Clark end up with a stray red and white heifer on his farm in…Pleasant Prairie, the most southeasterly township in all of Wisconsin, some 56 miles south of the Jonathan Clark House? The short answer is: he didn’t. The man that placed this “stray cow” advertisement in the December 16, 1843, issue of the Southport (later Kenosha) Telegraph was is not “our” J. M. Clark.
So many J. M. Clarks
Throughout the nineteenth century, many men seem to have been referred to, at least in print, by the initial letters of their first and middle names. The builder of Mequon’s Jonathan Clark House was no exception. Many of the documents made during his lifetime refer to him as “J. M. Clark,” and he often signed his name that way as well.1

“J. M. Clark,” signature of Jonathan M. Clark, from his final U.S. naturalization papers, 1853.
Unless the researcher is careful, it’s easy to make assumptions and presume that the “J. M. Clark” that built our historic Mequon home in 1848 is identical with the other “J. M. Clark” men that appear in various Wisconsin Territory documents, land patents, newspapers, and histories. Unfortunately, this is not always the case. To be certain that the “J. M. Clark” referred to in a particular source is “our” Jonathan M. Clark, we need to understand the “who, what, where and when” of each document or event that may—or may not— have involved our Jonathan.
I’m sure my list of suspects is incomplete, but (surprise!) it has turned out to be much longer and more complicated than anticipated. With that in mind, I think I’m going to need several CHH posts to sort out some of the most easily mistaken “J. M. Clark” men that lived and worked in the central and southeastern parts of Wisconsin Territory, yet were definitely not our J. M. Clark, the man born in Lower Canada (or Vermont) in 1812 that went on to build the historic Jonathan Clark House in Mequon in the 1840s.2
Let’s start with earliest and most northerly of these settlers, the first of several Christian ministers surnamed Clark that had links to Wisconsin Territory army posts that were home to our Jonathan M. Clark and his comrades during their service with the U. S. Army’s 5th regiment of infantry, 1833-1836.
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