American genealogy websites

online database of burials

23andMe Holding Co. is an American personal genomics and biotechnology company based in South San Francisco, California. It is best known for providing a direct-to-consumer genetic testing service in which customers provide a saliva sample that is laboratory analysed, using single nucleotide polymorphism genotyping, to generate reports relating to the customer's ancestry and genetic predispositions to health-related topics. The company's name is derived from the 23 pairs of chromosomes in a diploid human cell.

Ancestry.com LLC is an American genealogy company based in Lehi, Utah. The largest for-profit genealogy company in the world, it operates a network of genealogical, historical records, and related genetic genealogy websites. It is owned by Blackstone Inc., which acquired the company on December 4, 2020, in a deal valued at $4.7 billion.

citizen science project

FamilySearch is a nonprofit organization and website offering genealogical records, education, and software. It is operated by the Church of Jesus Christ of Latter-day Saints and is part of the Church's Family History Department (FHD). The Family History Department was originally established in 1894, as the Genealogical Society of Utah (GSU); it is the largest genealogy organization in the world.

WikiTree is a genealogy website that allows users to contribute profiles and collaborate to build a single family tree, also known as a one world tree, by connecting profiles on the global WikiTree within the same system. WikiTree is free for the user and financed via advertisements.

FamilyTreeDNA is a division of Gene by Gene, a commercial genetic testing company based in Houston, Texas. FamilyTreeDNA offers analysis of autosomal DNA, Y-DNA, and mitochondrial DNA to individuals for genealogical purpose. With a database of more than two million records, it is the most popular company worldwide for Y-DNA and mitochondrial DNA, and the fourth most popular for autosomal DNA. In Europe, it is the most common also for autosomal DNA. FamilyTreeDNA as a division of Gene by Gene were acquired by MYDNA, Inc., an Australian company, in January 2021.