Your information stays hidden
Matching is 100% automated, so nobody else ever needs to see your family details — but when you do find a 'lost cousin', you can be confident you're genuinely related.
The only family history site that matches you with relatives automatically, accurately and confidentially
Enter the relatives on your tree who appear in selected US, Canadian, British or Irish censuses, and LostCousins does the matching for you — no need to post your family details online for the world to see.
Existing members: sign-in is open to a small group of testers only.We'll email everyone else as soon as it's ready, and the newsletter carries on as usual.Would you like to help test it? Please ask on the LostCousins forum. Looking for your ancestors or cousin matches? Please sign in to the existing LostCousins site at https://lostcousins.com.
Find living relatives and discover more
When you find a cousin it's a chance to swap photos and family stories you'll never find in a record office — and often to team up on the 'brick walls' you both share.
A free newsletter members love
Every issue is full of research tips, masterclasses, and reminders of techniques that help members push their research further.
What members say
"So informative, especially when you're stuck and not sure where to look next." — LostCousins member
"Crammed with invaluable information, issue after issue." — LostCousins member
"The first thing I scroll to when I spot it in my inbox." — LostCousins member
Ready to find your lost cousins?
Sign-in isn't open to existing members yet. We'll email everyone as soon as it is. Looking for your ancestors or cousin matches? Please sign in to the existing LostCousins site.
Go to the existing LostCousins site