“We have had fabulous experiences with OneGreatFamily.com. We went from a few hundred people in our PAF program to over 10,000 each in OneGreatFamily.com.”
287,748,149pedigree-linked names
Discover your
family's story.
Your ancestors may already be here. Search our collaborative family tree built by millions of researchers worldwide.
Free to searchNo credit card requiredCollaborative worldwide tree
287,748,149
pedigree-linked names
Free
to search
Global
collaborative tree
Decades
of research
Two ways to explore your heritage
Whether you're just curious or a serious genealogist, we've built the right tools for you.
For the Curious
Just looking for your family tree?
We find your family tree for you in the work submitted by others — linked into the world's largest collaborative online family tree.
For Genealogists
Seriously researching your genealogy?
Research in our database of over 287,748,149 submitted pedigree-linked names and grow your tree with better confidence.
The Platform
Everything you need to grow your family tree
Pedigree Search
288 million names, already researched
Find relatives who've already done the work. Our database links pedigree-submitted names into one connected global tree — giving you context, not just records.
Try a search
Collaboration
Build one accurate tree together
Invite family members. Share discoveries. When multiple researchers contribute to the same tree, the result is more complete and more reliable than any one person could achieve alone.
How it works
Migration & Maps
See where your family traveled
Visualize births, deaths, and migrations across countries and centuries. Watch your family's movement through history on interactive maps.
Explore the tools
Tree Statistics
Understand the shape of your family
At a glance, see how deep your tree goes, how many branches you've discovered, and where the gaps are — so you know exactly where to focus next.
See all featuresReal Stories
Families are discovering their history every day
“You have an EXCELLENT product. I am involved in the IT world as a trainer and a consultant, and I recognize a powerful, user friendly program when I see one, and yours is truly one of the best I have seen.”
“OneGreatFamily.com has been a tremendous help to me in my family research… I have discovered several dates that had eluded me, as well as finding some unknown ancestors that I didn't know existed. I also found 2nd & 3rd cousins that I never knew.”
“One person can't possibly do all of the work alone—they need help to speed up the work… The only way to do this is with your wonderful service.”
“I have found hundreds of relatives that I would have otherwise not been able to find… I love the merging technique that this website offers! The ancestry 'tree' or handprint is awesome.”
“The best thing is that the search program runs continuously and adds data automatically to your tree… I have recommended OneGreatFamily to friends of mine who are also interested in genealogy.”
“Wow! I never expected to go back 50 generations. I am thrilled with this program.”
“Thanks to OneGreatFamily and the power of technology I have found many living relatives… I have at present over 1,892 names and 653 families… and still growing!”
“You are all you say you are, and then some.”
Your history is waiting
Millions of your ancestors
may already be in our tree.
Start free. No credit card required. Search any surname and see what's already been discovered by other families.
Explore OneGreatFamily
- How it worksStep-by-step overview of search, tree exploration, and tools.
- Why OneGreatFamilyCollaborative tree, discovery, and research in one place.
- Tools & featuresSearch, maps, statistics, collaboration, and more.
- Success storiesOutcomes families aim for when researching together.
- FAQAnswers about privacy, collaboration, and getting started.
- About usThe team and mission behind OneGreatFamily.