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FTDNA Y-tree branch

R-FTT21

R-FTT21 is a branch of the FamilyTreeDNA Y tree with 644 kits that gave a country, counting all sub-branches. It is most common in these samples: Isle of Man (2.8% of kits), England (Cornish) (2.5% of kits), Wales (1.4% of kits). The branch's common ancestor lived about 3,900 years ago: the FTDNA Discover estimate runs from 3,400 to 4,500 years ago.

644
kits in the branch
with a country given, including all sub-branches
7
on the branch itself
kits whose test did not resolve a sub-branch
66%
Big Y
share of kits with a Big Y test among all kits of the branch, sub-branches included
25
sub-branches
5 with their own page, 20 without
3,900 years
age by Discover
the common ancestor lived 3,400 to 4,500 years ago

Where it is found #

Countries and regions given by the branch's carriers. “Share of branch” is the part of the branch's kits that belongs to the country. “Share of country” is the part of that country's kits that falls into the branch; it is computed only for countries with at least 50 kits.

Where it is found
Country / region kits Share of branch Share of country
United States 166 0.5%
Ireland 148 0.7%
England 108 0.4%
Scotland 69 0.5%
United Kingdom 42 0.4%
Wales 31 1.4%
Northern Ireland 15 0.5%
France 10 0.2%
Canada 8 0.5%
England (Cornish)England 5 2.5%
Finland 5 <0.1%
Germany 5 <0.1%
Poland 5 <0.1%
Isle of Man 4 2.8%
Australia 3 0.8%
Sweden 3 <0.1%
Switzerland 3 0.1%
United States (Native American)United States 3 0.2%
Denmark 2 0.1%
Norway 2 <0.1%
6 more

The remaining countries and regions (6), 7 kits in total: Russian Federation 2, Cuba 1, Netherlands 1, New Zealand 1, Puerto Rico 1, Spain 1.

YFull

Most common among these peoples #

From YFull samples that gave a mother tongue: the part of a people's samples that falls into this branch. Peoples with at least 3 samples in the branch are listed.

Sub-branches #

Sub-branches that have their own page (50 kits or more). The bar is the kits in the sub-branch with its own sub-branches; the age is when its common ancestor lived.

R-CTS10558
206 · 32.0% 3,800 years
R-BY2707
64 · 9.9% 3,800 years
R-A25365
55 · 8.5% 3,900 years
R-FT48580
54 · 8.4% 3,900 years
R-BY411
53 · 8.2% 2,300 years

20 small sub-branches more without a page: 205 kits. On the branch itself, without a resolved sub-branch: 7 kits.

Surnames #

Surnames that testers entered at FTDNA, over the whole branch with its sub-branches: 72 distinct among 270 kits. FTDNA gives surnames per branch only, with no country attached, so they cannot be split by country.