David Lynch is 32 Degrees from Brian Boru mac Cennetig

0. David Lynch
   →
1. ✖Patricia O'Hern
   (his mother)→
2. ✖Colquitt O'Hern
   (her father)→
3. ✖Lucy Kiser
   (his mother)→
4. ✖Joseph Kiser
   (her father)→
5. ✖Lucinda Daniel
   (his mother)→
6. ✖Joseph Daniel
   (her father)→
7. ✖Joseph Daniel
   (his father)→
8. ✖John Daniel
   (his father)→
9. ✖William Daniel
   (his father)→
10. ✖Elizabeth Williams
    (his mother)→
11. ✖Anne Weston
    (her mother)→
12. ✖Jerome Weston
    (her father)→
13. ✖Richard Weston
    (his father)→
14. ✖Cecilia Neville
    (his mother)→
15. ✖Ralph Neville
    (her father)→
16. ✖Ralph Neville
    (his father)→
17. ✖John Neville
    (his father)→
18. ✖Elizabeth Holland
    (his mother)→
19. ✖Alice FitzAlan
    (her mother)→
20. ✖Richard FitzAlan
    (her father)→
21. ✖Alice Warenne
    (his mother)→
22. ✖William Warenne
    (her father)→
23. ✖John Warenne
    (his father)→
24. ✖Maud Marshal
    (his mother)→
25. ✖Isabel Clare
    (her mother)→
26. ✖Eve MacMurrough
    (her mother)→
27. ✖Diarmait MacMurrough
    (her father)→
28. ✖Donnchad Leinster
    (his father)→
29. ✖Murchad Leinster
    (his father)→
30. ✖Devorgilla O'Brien
    (his mother)→
31. ✖Donnchad O'Brien
    (her father)→
32. Brian Boru mac Cennetig
    (his father)

30th great grandson

1. David is the son of Patricia Jeanne O'Hern (1934-2017) 
2. Patricia is the daughter of Colquitt Logan O'Hern (1908-1983) [unknown confidence]
3. Colquitt is the son of Lucy Emma Kiser (1881-1964) [unknown confidence]
4. Lucy is the daughter of Joseph Quinn Kiser (1846-1937) [unknown confidence]
5. Joseph is the son of Lucinda (Daniel) Kiser (1812-abt.1880) [unknown confidence]
6. Lucinda is the daughter of Joseph Daniel Jr (abt.1784-abt.1872) [unknown confidence]
7. Joseph is the son of Joseph Daniel Sr (bef.1730-1795) [unknown confidence]
8. Joseph is the son of John Daniel (abt.1704-1754) [confident]
9. John is the son of William Daniel (abt.1663-1750) [confident]
10. William is the son of Elizabeth (Williams) Daniel (abt.1623-1702) [unknown confidence]
11. Elizabeth is the daughter of Anne (Weston) Williams (abt.1574-abt.1629) [confident]
12. Anne is the daughter of Jerome Weston Knt (abt.1550-1603) [confident]
13. Jerome is the son of Richard Weston (abt.1513-1572) [confident]
14. Richard is the son of Cecilia (Neville) Weston (abt.1491-1573) [confident]
15. Cecilia is the daughter of Ralph Neville (abt.1475-1497) [confident]
16. Ralph is the son of Ralph Neville KB (abt.1456-1499) [confident]
17. Ralph is the son of John Neville (abt.1410-1461) [confident]
18. John is the son of Elizabeth (Holland) Neville (abt.1388-1423) [confident]
19. Elizabeth is the daughter of Thomas Holland KG (abt.1350-1397) [confident]
20. Thomas is the son of Joan (Plantagenet) of Kent LG (abt.1328-1385) [confident]
21. Joan is the daughter of Margaret (Wake) Comyn (abt.1299-1349) [confident]
22. Margaret is the daughter of John Wake (1268-abt.1300) [confident]
23. John is the son of Hawise (Quincy) Wake (abt.1250-bef.1285) [confident]
24. Hawise is the daughter of Ellen ferch Llewelyn (abt.1208-bef.1253) [confident]
25. Ellen is the daughter of Llywelyn ap Iorwerth (1173-1240) [confident]
26. Llywelyn is the son of Iorwerth ab Owain (abt.1130-1174) [confident]
27. Iorwerth is the son of Owain ap Gruffydd (1078-1170) [confident]
28. Owain is the son of Gruffudd ap Cynan (abt.1054-1137) [confident]
29. Gruffudd is the son of Ragnailt (Olafsdotter) ingen Amlaib (abt.1020-1076) [unknown confidence]
30. Ragnailt is the daughter of Óláfr (Sihtricson) Sigtryggsson (abt.0995-1034) [confident]
31. Óláfr is the son of Slani ingen Brian (0980-1037) [unknown confidence]
32. Slani ingen is the daughter of Brian Bóruma mac Cennetig (abt.0940-1014) [unknown confidence]
This makes Brian Bóruma the 30th great grandfather of David.