Researchers from Trinity College Dublin and Queen’s University Belfast mapped the genomes of four ancient bodies, revealing some shared origins and genetic traits of modern-day Irish.

Genome sequencing of ancient bones has revealed many details about the people we call Irish. 
Researchers from Trinity College Dublin and Queen’s University Belfast performed the analysis on the remains of a Neolithic female farmer and three men from the Bronze Age. 
According to a press release, "These ancient Irish genomes each show unequivocal evidence for massive migration. The early farmer has a majority ancestry originating ultimately in the Middle East, where agriculture was invented. The Bronze Age