St. Tammany Parish
LAGenWeb

Welcome!

St. Tammany Parish LAGenWeb is a free genealogical site about the history of the parish. It is a member of LAGenWeb, which is a member of USGenWeb®. We hope you find helpful clues for your research of St. Tammany Parish ancestors.

Please consider contributing your pieces of St. Tammany Parish family history. Corrections, updates, and additions to this site are always welcome. Our combined efforts can keep this a great site for all who visit!

Parish Coordinator: You? St. Tammany Parish LAGenWeb is Available For Adoption. Please contact the State Coordinator, Marsha Holley, if you are interested in adopting this site.

Co-Parish Coordinator: YOU? If you have a sincere interest in the genealogy of St. Tammany Parish, and if you are willing to help others along their family history journey, but website maintenance doesn't appeal to you, consider becoming a Co-CC. As Co-CC you would reply to email inquiries, contribute content, monitor the website, .... Contact us to give it a try.

Temporary Parish Coordinator: Norma Hass normahass01@gmail.com

State Coordinator: Marsha Holley marholley100@gmail.com

PARISH FORMATION

St. Tammany Parish was established in 1810 and was named for Delaware Indian Chief Tamanend, who became popularly revered as an "American patron saint" in the post-Revolutionary period. (St. Tammany is not a saint of the Roman Catholic Church.) The original territory came from parts of Washington and Tangipahoa parishes.

The county seat is Covington. The largest city is Slidell.


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This page was last updated 10/20/2026