Protestantism in Paris
The first national Protestant synod was held in Paris in 1559. See the following French language text by Christiane Guttinger; scroll down the page for the English translation.
http://www.huguenots.fr/2010/09/le-premier-synode-national-protestant-reuni-a-paris-en-1559/
The City of Paris is home to splendid archives, libraries and societies in the repositories of which you may find partial answers to your questions about an ancestor who might have been a member of the Église réformée de France or l’Église luthérienne en France from as early as 1555 in the Paris region.
Some of the leading societies or repositories addressing Huguenots in the Paris region are: Société de l’Histoire du Protestantisme Français, Comité protestant des amitiés françaises à l’étranger (Paris), BnF – Bibliothèque nationale de France (Paris), Archives nationales de France (Paris), Archives de Paris, Archives départementales de Paris, Archives départementales – Essonne, Archives départementales – Eure-et-Loir, Archives départementales – Hauts-de-Seine, Archives départementales – Loiret, Archives départementales – Seine-et-Marne, Archives départementales – Seine-Saint-Denis, Archives départementales – Val-de-Marne, Archives départementales – Val-d’Oise – Archives départementales – Yvelines, Archives départementales – Yonne – Archives municipales of the region of Paris.
If you are researching French Protestant ancestors who came to North America, you may find the following site of special interest: The Huguenot Refuge in America is an online museum and website in French, English and German. See https://www.museeprotestant.org/en/notice/le-refuge-huguenot-en-amerique/
The following 45-page compilation in PDF format is designed to help you research Protestants in the Paris area in the 16th and 17th centuries. Click here: The Protestants of Paris 16th, 17th centuries
This compilation includes various listings; a list of books and articles on the subject (many of these are in French; you can use an online tool such as Google Translate to help understand these texts); a list of historical societies concerned with Protestantism in France; a list of online archival resources including databases, libraries and museums; links to the national library of France, national archives of France, the archives of Paris and other departmental and municipal archives; links to historic Protestant newspapers; French genealogical links; a list of publishers.
See also the following related posts on Genealogy Ensemble:
Jacques Gagné, May 20, 2018, «How to Search for Huguenot Ancestors in France,» https://genealogyensemble.com/2018/05/20/how-to-search-for-huguenot-ancestors-in-france/
Jacques Gagné, June 3, 2018, «Huguenot Family Lineage Searches,» https://genealogyensemble.com/2018/06/03/huguenot-family-lineage-searches/
Jacques Gagné, May 13, 2018, «Researching Your French Ancestors Online,» (the attached updated PDF describes how to research in the Archives départementales de France, the country’s 95 regional archives) https://genealogyensemble.com/2018/05/13/researching-your-french-ancestors-online/
Jacques Gagné, Jan. 27, 2019, «The National Archives of France, » https://genealogyensemble.com/2019/01/27/the-national-archives-of-france/
Jacques Gagné, Dec. 16, 2018, «BNF Gallica» (Bibliothèque nationale de France) https://genealogyensemble.com/2018/12/16/bnf-gallica/
Jacques Gagné, Sept. 23, 2018, «Finding Ancestors in French Municipal Archives» https://genealogyensemble.com/2018/09/23/finding-ancestors-in-french-municipal-archives/
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