“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.”
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287,755,430pedigree-linked names
Search a surname to see what others have discovered — free, no credit card.
287,755,430
pedigree-linked names
Free
to search
Global
collaborative tree
Decades
of research
Pick a path — you can always switch later. No repeated signup forms here.
For the curious
We surface your line from work others have already submitted — linked into one collaborative tree.
For genealogists
Dig into 287,755,430 pedigree-linked names, maps, and tools when you need more than a quick lookup.
Proof
“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.”
The Platform
Pedigree Search
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
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
Visualize births, deaths, and migrations across countries and centuries. Watch your family's movement through history on interactive maps.
Explore the tools
Tree Statistics
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
“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.”
“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.”