PROVO, Utah, Feb. 1 /PRNewswire/ -- Ancestry.com, the world's largest online family history resource, today announced that more than 1 million online family trees have been created since the site's new tree-building and sharing features launched in late July 2006. In building family trees, users have added an estimated 150 million names, uploaded 400,000 photos and attached 10 million family history documents directly from Ancestry.com's 23,000 historical records collections. Built with family collaboration in mind, the tree-building tools on Ancestry.com allow family members to work together on their family trees, whether living in the same house or on the other side of the world. Families can add their ancestors' names, photos, life stories and much more to a shared family tree -- all for free. In addition to the impressive number of family trees which have been created, users are also adding names, photos and documents at impressive rates, as a result of the site's easy-to-use tools and an increasing worldwide interest in family history. Users in the United States, United Kingdom, Germany, Canada and Australia are creating and sharing their family trees with Ancestry.com's advanced tree-building and collaborative tools. "The sheer number of family trees created in such a short time demonstrates the collaborative power of the Internet to allow families, regardless of location, to discover their heritage together," said Tim Sullivan, CEO of The Generations Network, parent company of Ancestry.com. "Technologies such as email, online storage and photo uploading allow family members to instantaneously bring together their memories in one, centralized, easy-to-access location." Ancestry.com's tree-building tools, designed for enhanced searching, storing and sharing, allow paying subscribers to discover their past with the site's extensive database of more than 5 billion searchable names, including the entire digitized and indexed U.S. Federal Census collection from 1790 to 1930, all readily available U.S. ship passenger list records from 1820 to 1960 and other historical records collections. Ancestry.com is dedicated to continually adding new features and functionality to these tree-building tools. About Ancestry.com With more than 5 billion names and 23,000 searchable databases and titles, Ancestry.com is the No. 1 online source for family history information. Since its launch almost a decade ago, Ancestry.com has been the premier resource for family history, simplifying genealogical research for millions of people by providing them with many easy-to-use tools and resources to build their own unique family trees. Ancestry.com received more than 4 million unique site visitors and 295 million page views in November 2006 ((C) comScore Media Metrix, Worldwide, November 2006).