Ancient YDNA Matches: https://pbase.com/daveb/ancient_hap_h

. https://www.sciencedaily.com/releases/2026/04/260421042800.htm
Download Study, PDF: https://www.nature.com/articles/s41559-026-03027-z
Y chromosome haplogroups showed lower diversity among males,
but with distinct patterns between phases (Supplementary Table 4
and Extended Data Fig. 1). While men from Phase 1 generally carried
haplogroups H2a1 or I2a1a2, men from Phase 2 carried haplogroup
I2a1a1 almost exclusively.

Summary: https://journals.openedition.org/adlfi/5732 (this is prior to 2026 DNA Study)

A new study published in Nature Ecology & Evolution examines the remains of 132 individuals buried in a large megalithic tomb near Bury, about 50 kilometers north of Paris. The site was used during two separate time periods, with a significant population decline occurring around 3000 BC between them.

Genetic analysis shows that the people buried before and after this decline were not related, indicating a major population replacement.

"We see a clear genetic break between the two periods," said Frederik Valeur Seersholm, assistant professor at the Globe Institute at the University of Copenhagen and one of the lead authors of the study.

The Bury burial alley (located in Bury in the Oise region) is one of the longest Neolithic collective burials found in northern France Excavated between 2001 and 2007, this exceptional structure combines wooden walls, megalithic slabs and dry stone to form an impressive gallery nearly 20 meters long .The monument served as a resting place for at least 316 individuals over a period from approximately 3400 to 1950 BC. The study of this site has revealed fascinating facts that have revolutionized our understanding of Neolithic populations:An unexpected genetic mix: Ancient DNA analyses have shown that the tomb was used during two distinct phases housing two genetically almost unrelated populations. The first phase (around 3200-3100 BC) housed local populations, while the second (after 2900 BC) showed significant Iberian genetic signatures, revealing an isolated migratory wave.A strong male predominance: Genetic sexing of the remains has revealed a significant overrepresentation of men, accounting for approximately 70% of the individuals. This imbalance, observed in many contemporary monuments, suggests burials intended for specific or privileged members of the community.A hybrid architecture: Unlike covered walkways made entirely of stone, Bury shows tangible evidence of wooden walls that divided and supported the structure over the long term, demonstrating a complementarity between stone and wood among prehistoric builders.

New Matching Bury YDNA Hap H Samples: 2026 Study, he is the ancestor of at least 3 descendant lineages known as H-SK1182, H-BY84221, & H-Z19046. The H-SK1182 is the common male ancestor off the known Boyt Group 2 YDNA male line. Rare Connection, 1 in 7,000, Only 101 customers are this closely related to Bury-Oise Hap H samples

Boyt YDNA Hap-H Direct Male Line from Ancient to use of surnames in England about 1300CE at BY37188:
H-P96>Z19008>Z19080>SK1180>Z19072>Z19089>Z19049>SK1182>Y20839>Y21630>BY37186>BY37188>BY37194 (Virginia)
Boyt Hap H SNP Line:
H-P96>Z19008>Z19080>SK1180>Z19072>Z19089>Z19049>SK1182>Y20839>Y21630>BY37186>BY37188 (BOYT 1300 CE)
H>P96>Z19008>Z19080>SK1180>FT362000 (Common Male Ancestor H-SK1180 Ireland/France)

Confirmed Bury-Oise YDNA DNA Matches between Boyt/Boyett lines with YDNA Hap H:
Bury-Oise 174, Bury-Oise 176, Bury-Oise 189, Bury-Oise 202, Bury-Oise 207, Bury-Oise 219, Bury-Oise, 222, Bury-Oise 225, Bury-Oise 249, Bury-Oise 259, Bury-Oise 263, Bury-Oise 271, Bury-Oise 275, Bury-Oise 278, Bury-Oise 283, Bury-Oise 291, Bury-Oise 303, Bury-Oise 316, Bury-Oise 321, Bury-Oise 333, Bury-Oise 342, Bury-Oise 343

Bury-Oise 174 was a man who lived between 3500 - 2500 BCE during the Late Neolithic Age and was found in the region now known as Allée sépulcrale at Bury, Oise, Hauts-de-France, France.
He was associated with the Neolithic French cultural group.
Reference: BUR174 from Seersholm et al. 2026
The Common Male Ancestor is SNP H-Z19049 abt 4950 BCE in France as shown above on the Male SNP/Haplogroup line.
Location Name: Allée sépulcrale at Bury, Oise, Hauts-de-France, France (Entry found under a garden)