First Look at Ancestry’s New “Matches by Cluster” Feature

Ancestry’s New DNA Matches by Cluster Feature in Beta

Ancestry has just introduced a new feature for their AncestryDNA Pro Tools subscription called Matches by Cluster — a tool currently in Beta testing. This new option automatically organizes some of your DNA matches into groups that most likely share a common ancestor. If you’ve ever explored DNA clustering methodologies such as the Leeds Method or used third-party tools for cluster analysis, you’ll recognize the concept: grouping matches based on how they share DNA not just with you, but also with each other.

Here’s an overview of how this new Ancestry feature works, what it currently offers, and my initial impressions after exploring it.

How It Works

Matches by Cluster analyzes your DNA matches and organizes them into clusters. The goal is to help you visualize and understand groups of people who may descend from the same ancestor or ancestral couple. Currently, the feature works within a specific range:

• Included Matches: Matches who share 65 cM to 1,300 cM with you.
• Excluded Matches: Very close family (anything above this range, such as parents, siblings, or children).
• Clustering Criteria: The matches included are also sharing at least 20 cM with others in the group, which helps form meaningful clusters of people connected to one another through shared ancestry.

Once your clusters are created, Ancestry allows you to:

• Add these clusters to your existing match groups (your colored-dot groups),
• Create new groups for them, or
• Simply use them as a guide to refine your own organizational system.

Ancestry has also indicated that future updates will allow users to customize clusters further, including the ability to set specific cM ranges or select certain matches for custom clustering.

What I Noticed

When I tested this feature on my own DNA results, Ancestry created seven small clusters for me — a mix of maternal and paternal side groups. The groups were relatively modest in size:

• Maternal Groups: 22, 15, 11, and 6 matches
• Paternal Groups: 10, 4, and 4 matches

These groups generally aligned with what I had already identified and organized through Ancestry’s existing colored-dot custom groups. For those of us who are already actively organizing our DNA matches and who understand how those matches relate, this tool might not bring in dramatically new information just yet. However, this is very likely by design at this early stage of the feature’s rollout.

Currently, the clusters seem to center on matches connected to second great-grandparent couples, which may help those who are still establishing the broader framework of their DNA connections.

Ancestry DNA Match by Cluster Example- Groups

Additional Insights

• Ancestry’s Shared Matches Pro (another feature within Pro Tools) already allows you to see how matches connect to each other through shared DNA. Matches by Cluster builds on this by offering a visual and organizational shortcut.
• Clusters are not static family branches; some individuals in your tree may rightfully belong in multiple clusters because of the way family lines interconnect. This is something this feature seems to be missing the mark on, and future updates hopefully will address this with more flexibility.
• Because this feature is still in Beta, and is not perfect in any way, we can reasonably expect more refinements and capabilities in the future.

Who Might Benefit from This?

​This new clustering tool seems especially well-suited for:

• Beginners who may be overwhelmed by their DNA matches and unsure how to start organizing them into meaningful groups.
• Those who want quick insights without manually grouping matches themselves.
• Users building out their trees and looking for guidance on potential shared ancestors at the great-grandparent or second great-grandparent level.

For advanced researchers who already maintain detailed groups and have done extensive work clustering matches manually, this may simply offer a fresh perspective or confirmation of work already done.

Looking Ahead

Because Matches by Cluster is still a Beta feature, it will be interesting to watch how it evolves. The ability to create custom clusters based on cM ranges or targeted matches will make this tool far more flexible and potentially more powerful down the road.

If Ancestry expands this feature to include all matches across a broader cM range, it could become even more useful for identifying connections beyond the 2nd great-grandparent level and help visualize deeper ancestral ties that may not yet be obvious.

---

Final Thoughts

As with all tools, the value of Matches by Cluster depends on where you are in your research journey. For those newer to DNA or just beginning to get comfortable with organizing matches, this tool could offer helpful direction. For more advanced genealogists, it may serve as a supplemental tool while we wait to see how Ancestry expands its capabilities in future updates.

I’ll be keeping an eye on this feature as it develops and will share further insights as new options are rolled out.

Have you tried Matches by Cluster yet? I’d love to hear about your experiences and thoughts on its potential for your research!

---

​​More Ancestry and Genealogy Resources

Learn about more Ancestry updates, tips, tools, and features and other family history and genealogy resources under the Ancestry.com and the Genealogy Resources categories of my blog and on my dedicated Genealogy Resources page.