LostCousins is the ONLY family history website able to match you with cousins researching the same ancestors

AUTOMATICALLY, ACCURATELY & CONFIDENTIALLY

Simply enter the relatives on your family tree who were recorded on selected US, Canadian, British, or Irish Censuses - then click the Search button!

Our automated matching is close to 100% accurate, so nobody else needs to see your information - and when you do find a 'lost cousin', you can be certain you're related!

Find living relatives and discover more

When you find a 'lost cousin' it's a great opportunity to share family photos and stories that have been passed down the generations - things you'll never find in public records offices and archives.

As well as sharing existing knowledge about your family tree you can co-operate on future research - after all, a problem shared is a problem halved!

A genealogy site for everyone!

Just begun to research your family tree? Genealogy may seem complicated at first, but our Beginners Guide shows how to discover your family history though censuses and records of births, marriages, and deaths.

But our members aren't all beginners - over half have been researching their family history for 10 years or more.

Looking for the surnames Smith or Jones?

Our unique matching system works just as well for common surnames as it does for rare surnames!

Free help to research your family tree!

We’ve got a great team of ‘buddies’ who’ll help you break down those ‘brick walls’. No other site offers free AND confidential advice to solve family history problems! All we ask is that you first search for your cousins, because they're in the best position to help fill in the gaps on your family. tree.
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Edward Alfred Parker 1880-
Eliza Richardson 1871-1946
 

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