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Dietrich Name Study

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About the Project

"Dietrich (German pronunciation: [ˈdiːtrɪç]) is an ancient German name meaning 'Ruler of the People'. Also 'keeper of the keys' or a 'lockpick' either the tool or the profession." (Dietrich article, Wikipedia)

The Dietrich Name Study project serves as a collaborative platform to collect information on the Dietrich name. The hope is that other researchers like you will join the study to help make it a valuable reference point for other genealogists who are researching or have an interest in the Dietrich name.

As a One Name Study, this project is not limited to persons who are related biologically. Individual studies can be used to branch out the research into specific methods and areas of interest, such as geographically (England Dietrich's), by time period (18th Century Dietrich's), or by topic (Dietrich DNA, Dietrich Occupations, Dietrich Statistics). These studies may also include a number of family branches which have no immediate link with each other. Some researchers may even be motivated to go beyond the profile identification and research stage to compile fully sourced, single-family histories of some of the families they discover through this name study project.

Also see the related surnames and surname variants.

How to Join

To join the Dietrich Name Study, first start out by browsing our current research pages to see if there is a specific study ongoing that fits your interests. If so, feel free to add your name to the Membership list below, post an introduction comment on the specific team page, and then dive right in!

If a research page does not yet exist for your particular area of interest, please contact the Name Study Coordinator: John Deeter for assistance.

... ... ... is a member of the Dietrich Name Study Project.

Once you are ready to go, you can also show your project affiliation with the ONS Member Sticker:


Research Pages

Here are several research pages within the scope of the Dietrich Name Study. They're largely completed, but if you have suggestions for improving them, please contact John Deeter.

  • Dietrichs in British Colonial America (1700-1776). Some forty Dietrich familes are known to have settled in Colonial British America, and some thirty more arrived at Philadephia but disappeared without any known descendants. This page provides information about families with post-migration records, some with numerous descendants. The associated page lists the arrivals at Philadelphia, and otherlaps the first catalog to a large extent.
  • Y-DNA tests for Dietrichs, Dieters, etc. "Dietrich" was a very popular personal name in German speaking regons in the Middle Ages, and its frequent use as a patronymic subsequently led to its adoption as a surname by a large number of unrelated families. Some 40 men claiming male-line descent from a Dietrich ancestor have reported Y-DNA results with the Dietz-Dietrich Project, which can be sorted into nine genetic families plus a number of unrelated individuals.
  • Dietrichs of Därligen. Dietrich families appear in the Leissigen Church Records from the first entries beginning in 1570, most living in the adjacent town of Därligen. This was probably the largest concentration of Dietrich families in Switzerland during the time covered by this study (1578-1737). Dietrich families from this area migrated directly to America (1735) and the U.S. (1851), and descendants of Hans Dietrich (John Teeter) who came to America in 1738 are genetically linked to a Därligen Dietrich family through Y-DNA tests.


  • John Deeter: Dietrich migrants to British Colonial America
  • Kelly Dazet: Dietrich emmigrants to eastern Europe. First to Hungary (Donauschwaben) then to the Odessa region on the Black Sea (Germans from Russia) and finally to the Dakota Territory, North America.
  • Paul Detrick: I became interested in genealogy initially through ancestry.com. Through this forum I believed I had developed a fairly accurate understanding of my colonial ancestors in great part informed by the writings of Wm Dietrich's that I have subsequently learned were in great part fictional. I am interested in learning more about my apparent descendants, Johann Adam Dietrick, Sr. & Jr. immigrating in 1751, as well as the brothers Johann Adam and Casper, immigrating in 1767, the former who I originally believed I was a direct descendant of.

Related Surnames and Surname Variants

Number of WikiTree profiles in parentheses, as of 29 Mar 2021:

Dietrich (1749), Diederich (405), Diedrich (398), Detrick (314), Dedrick (261),
Dittrich (208), Dieterich (169), Dietrick (162), Deitrick (109), Deitrich (109)

Four of these surnames -- Dietrich, Diederich, Diedrich and Dieterich -- are legitimate German spellings, while the others are variant spellings adopted by migrants, particularly Palatines who settled in colonial America. In addition, at least two families (and some in two more) dropped the "-ich" ending, and adopted the anglicized forms Deeter, Teeter and Teeters.

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Comments: 2

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I want to become a member of the Dietrich Name Study group. I am a direct descendant of Johannes Adam Dietrick who immigrated to colonial America around 1750. I am particularly interested in the research groups for Dietrich migrants to British Colonial America and Paul Detrick's group. How do I accomplish becoming a member?

Thank you,


posted by Richard Rupert
I am looking for relations to

Wilhelmina Dietrich, 25 December 1855 – 25 October 1923 married Jacob Meyers, 15 May 1849 – 15 June 1892 Chautauqua County New York

posted by Edward Meyer

Categories: Dietrich Name Study