David O’Killea was not the son of John Mac Teige O'Kellia & Anna Daly Y DNA testing of descendants do not match. They’ve been detached.
References
- https://www.wikitree.com/wiki/O'Killia-1 comments: “23 October 2023 (UTC) Y-DNA evidence at FTDNA does not support John Mac Teige being the father of David O'Killia (abt.1640-1697). Self Identified descendants of David O'Killia all are grouped in the Kelley surname project in group x29. They do not match Walter Lionel O'Kelly (1921-2017) Count Walter is a documented descendant of John MacTeigh's grandfather Conchobhar nag Cearhbach (O'Killia) O'Kelly (abt.1540-abt.1612)”
- https://www.familytreedna.com/public/kelley?iframe=yresults R1b Group 14: [confirmed L21+ DF49+ DF23+ Z2961+ Ui Mhaine (Ireland R-BY3446) William Boy O'Kelly's 7th grandson (The Count)
- https://www.familytreedna.com/public/kelley?iframe=yresults (page 2) R1b Group X29 (L21+) David O'Kellia Ireland R-M269
