I’m in the middle of several larger CHH research projects and I find myself swamped with information on early Mequon area pioneers. So rather than wait until I’ve got it all sorted out and then organize it into a big essay or two (or more!), I’ll be putting up some of these new bits and pieces on the blog as I find them.
Today’s subjects are the families of Jonathan Loomis (1776-1849) and his eldest child, Issac Chester Loomis (1802-1882), two of old Washington/Ozaukee county’s first white settler families. I’ve mentioned some of these folks in previous CHH posts. And while the Loomis name does appear in some of the early county histories and land records, so far I’d not been able to learn much about the family or how they came to the Wisconsin Territory in the 1830s. In fact, given that the mid-1800s penmanship on some of the source documents was often florid to the point of being unreadable, I was sometimes unsure whether documents discussing or signed by “J. Loomis” versus “I. Loomis” represented the same man, or two individuals. Today’s source goes a long way toward solving these questions.1
Descendants of Joseph Loomis in America

Loomis, Elias, and Charles Arthur Hoppin. Descendants of Joseph Loomis in America, and his antecedents in the old world. edited by Loomis, Elisha S [Berea? O, 1909], Library of Congress.
As luck would have it, I just ran across a useful digitized book in the collection of the Library of Congress, titled Descendants of Joseph Loomis in America, and his antecedents in the old world. I’m not an expert in Loomis genealogy, and thus not entirely sure how accurate this book is, but what I have read here mostly checks out when compared to what I have found elsewhere. With that said, below are the key bits of the book that are related to very early Washington/Ozaukee county history and, in particular, Isaac Chester Loomis and his family. What follows is taken verbatim from pages 193 and 390-391, though I’ve taken the liberty of expanding many of the abbreviations and adding a few paragraph breaks for ease of reading. I’ve also added a few footnotes to explain some possibly obscure references.
Let’s begin with the patriarch of the family, Jonathan Loomis…
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