Four Donaghmoyne Couples DNA Network

Interconnected Family Lines Through Shared Matches

County Monaghan, Ireland | Donaghmoyne Parish | 1841-1857

19 cM via M.A. Hamill Byron

Links all four Donaghmoyne couples through shared match network

1

Henry Hamall &
Mary McMahon

Owen's Parents

m. 1841

Direct Matches (8+):

M.A. Hamill Byron: 19 cM

D.K. + daughters C.K., E.K.M.

C.R.: 19 cM

+ Researcher's siblings & children

2

Owen Hammel &
Ann King

Related Hammel Line

m. 1846

Shared Matches (9+):

C.L.: 17 cM

T.L.: 15 cM

M.G.: 17 cM

+ 6 more (10-15 cM range)

3

Julia Susan Hamill &
Charles McCanna

McCanna-Hamill Line

m. 1857

Shared Matches (5+):

M.G.: 13 cM

S.M.A.: 15 cM

J.R.: 15 cM

+ 2 more (10-11 cM range)

4

James Hamill &
Anna Gartlan

Hamill-Gartlan Line

Donaghmoyne

Primary Match:

CF

23andMe match

Shares matches with other three couples, validating network connection

DNA Network Analysis: What This Proves

Four Donaghmoyne couples are DNA-connected through shared match networks

M.A. Hamill Byron's 19 cM match serves as the key connector linking all four lines

Shared matches across all couples validate documented Hamill-Gartlan family relationships

This comprehensive DNA network demonstrates that all four Donaghmoyne couples share interconnected descendants through a web of shared DNA matches. This pattern cannot be explained by random chance and directly supports the documentary evidence of these families' close relationships in County Monaghan.

DNA EVIDENCE - NETWORK ANALYSIS HIGH RELIABILITY (NETWORK)