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FTDNA Y-tree branch

I-Z63 I1-Z63

I-Z63 is a branch of the FamilyTreeDNA Y tree with 2,042 kits that gave a country, counting all sub-branches. It is most common in these samples: Russia (Republic of Mordovia) (7.6% of kits), Albania (5.8% of kits), Bosnia and Herzegovina (3.6% of kits). The branch's common ancestor lived about 4,300 years ago: the FTDNA Discover estimate runs from 3,800 to 5,000 years ago. YFull has 407 samples in this branch and dates its common ancestor to 4,400 years ago.

2,042
kits in the branch
with a country given, including all sub-branches
298
on the branch itself
kits whose test did not resolve a sub-branch
23%
Big Y
share of kits with a Big Y test among all kits of the branch, sub-branches included
4
sub-branches
1 with their own page, 3 without
4,300 years
age by Discover
the common ancestor lived 3,800 to 5,000 years ago
4,400 years
age by YFull
common ancestor (TMRCA); the branch split from its parent 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 343 1.1%
England 320 1.2%
Germany 265 1.5%
Sweden 116 1.0%
Ireland 102 0.5%
United Kingdom 89 0.9%
Spain 74 1.9%
France 59 0.9%
Poland 57 0.8%
Scotland 49 0.3%
Netherlands 42 1.8%
Finland 40 0.4%
Italy 37 0.6%
Russian Federation 31 0.4%
Czech Republic 30 1.3%
Norway 29 0.6%
Ukraine 22 0.5%
Portugal 18 0.9%
Switzerland 18 0.6%
Albania 16 5.8%
52 more

The remaining countries and regions (52), 285 kits in total: Canada 16, Northern Ireland 15, Denmark 14, Bosnia and Herzegovina 13, Slovenia 13, Wales 13, Bulgaria 12, Russia (Republic of Mordovia) 12, United States (Native American) 12, Brazil 11, Hungary 11, Estonia 10, Belgium 9, Austria 8, Croatia 8, Lebanon 8, Mexico 8, Puerto Rico 8, Serbia 8, Romania 7, Slovakia 7, Greece 5, Australia 4, Russia (Republic of Tatarstan) 4, Chile 3, Lithuania 3, South Africa 3, Turkey 3, Azerbaijan 2, Belarus 2, Colombia 2, England (Cornish) 2, France (Alsace) 2, Iceland 2, Jamaica 2, Kazakhstan 2, Latvia 2, Macedonia 2, Moldova 2, Morocco 2, Russia (Republic of Chuvashia) 2, Costa Rica 1, Cuba 1, El Salvador 1, Marquesas Islands 1, Montenegro 1, New Zealand 1, Russia (Republic of Bashkortostan) 1, Russia (Republic of Dagestan) 1, Saudi Arabia 1, Spain (Castile and León) 1, Spain (Valencia) 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.

I-BY151
1,725 · 84.5% 4,300 years

3 small sub-branches more without a page: 19 kits. On the branch itself, without a resolved sub-branch: 298 kits.

Surnames #

Surnames that testers entered at FTDNA, over the whole branch with its sub-branches: 145 distinct among 501 kits. FTDNA gives surnames per branch only, with no country attached, so they cannot be split by country.

YFull

The same branch on YFull #

YFull builds its tree from the same SNPs; the node is matched by name or by a shared SNP. TMRCA is when the common ancestor of all samples lived, formed is when the branch split from its parent. Intervals are 95%.

I-Z63: 407 samples. The common ancestor lived 4,400 years ago (3,800–5,100); the branch split off 4,500 years ago (4,100–5,000).