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FTDNA Y-tree branch

I-BY1003

I-BY1003 is a branch of the FamilyTreeDNA Y tree with 706 kits that gave a country, counting all sub-branches. Almost all of its kits sit in a single sub-branch, I-L1229, so this branch gets no conclusions of its own. It is most common in these samples: New Zealand (1.9% of kits), Costa Rica (1.6% of kits), Trinidad and Tobago (1.6% of kits). The branch's common ancestor lived about 9,500 years ago: the FTDNA Discover estimate runs from 8,300 to 11k years ago.

706
kits in the branch
with a country given, including all sub-branches
6
on the branch itself
kits whose test did not resolve a sub-branch
27%
Big Y
share of kits with a Big Y test among all kits of the branch, sub-branches included
3
sub-branches
1 with their own page, 2 without
9,500 years
age by Discover
the common ancestor lived 8,300 to 11k 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 146 0.5%
England 139 0.5%
Germany 66 0.4%
Ireland 57 0.3%
United Kingdom 45 0.5%
Scotland 29 0.2%
France 20 0.3%
Spain 15 0.4%
Netherlands 14 0.6%
Switzerland 12 0.4%
Denmark 11 0.7%
Poland 10 0.1%
Northern Ireland 9 0.3%
Portugal 9 0.5%
Sweden 9 <0.1%
Wales 9 0.4%
Czech Republic 8 0.3%
Mexico 8 0.4%
Canada 7 0.4%
Romania 7 0.7%
35 more

The remaining countries and regions (35), 76 kits in total: Finland 6, Italy 6, Brazil 5, Hungary 5, Ukraine 5, United States (Native American) 5, Norway 4, Australia 3, Belgium 3, Austria 2, Chile 2, Greece 2, New Zealand 2, Russia (Republic of Dagestan) 2, Russian Federation 2, Serbia 2, Turkey 2, Afghanistan 1, Belarus 1, Belgium (Flanders) 1, Colombia 1, Costa Rica 1, Cuba 1, Egypt 1, England (Cornish) 1, Georgia 1, Jersey 1, Macedonia 1, Mauritius 1, Montenegro 1, Slovenia 1, Spain (Canary Islands) 1, Spain (Galicia) 1, Trinidad and Tobago 1, Vietnam 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-L1229
694 · 98.3% 5,100 years

2 small sub-branches more without a page: 6 kits. On the branch itself, without a resolved sub-branch: 6 kits.

Surnames #

Surnames that testers entered at FTDNA, over the whole branch with its sub-branches: 58 distinct among 176 kits. FTDNA gives surnames per branch only, with no country attached, so they cannot be split by country.