James O'Callaghan, of Ballynabrennagh 
The following line was pieced together by Michael Thomas.
The DNA   proves it is correct.
James O'Callaghan,
or James Callaghan.
 
Callaghan in some earlier records for him, O'Callaghan in some  later records for him,
 but children seem to use Callaghan.
See 
entry
in 
tree
by 
"mjtlmb".
He was
of 
Ballynabrennagh, NE of Tralee, Co.Kerry.
Listed at Ballynabrennagh at mar. 
He 
mar 10 February 1823
 
[Tralee RC par records]
to 
Mary Cooke.
Mar wit by Patrick Flanigan and M. Collins.
 
Listed at Ballynabrennagh  at 
children's baptisms    1824-35.
James and Mary 
had issue:
-  Michael   Callaghan, 
 bapt 15 February 1824
 [Tralee RC par records],
sp Denis Callaghan
(could be our Denis)
 and Ellen Sheehan,
 listed as of Tralee at mar,
 mar  26 July 1853 
 [Tralee RC par records]
 to Ellen Sullivan ["Helen" at dau's bapt],
 mar wit by John Sheahan and Timothy Collins,
 listed as of  Tralee at dau's bapt 1859,
 they 
left Tralee, 
apparently spent time in Cork and London,
 left London and came to the United States in 1868,
 settled in San Francisco,
 he died 1903, age 79 yrs,
 obituary  in 
San Francisco newspapers, calls him a native of Tralee,
 Michael and Ellen 
had issue:
 
-  Catherine Callaghan,
 bapt 27 March 1859 
 [Tralee RC par records],
sp David Connor and Mary Sullivan.
 
-  Thomas Callaghan,
 born 1868, London, just before family went to US.
 Michael Thomas
says: "Family lore says he was always ashamed to have been born in England rather than Ireland."
 He mar Catherine Griffin and had issue:
 
-  Ethel Veronica Callahan, born 1912,
 mar Walter Kappel and had issue:
 
-  Patricia  Kappel.
   
 DNA match to me.
 DNA match to my mother.
 She mar --- Thomas and had issue:
 
  -  Michael Thomas.
   
 DNA match to me.
 DNA match to my mother.
 Researching family tree.
 
 
 
 
 
 
-  Catherine O'Callaghan,
 bapt 5 October 1826
 [Tralee RC par records],
sp Richard O'Savage and Honora O'Callaghan,
 joined her brother Michael in San Francisco,
 mar Nicholas Brown [born 1830],
 lived  in San Francisco,
 obituary calls her a native of Tralee.
 
 
-  Ellen Callaghan,
 or Ellen O'Callaghan,
 "Helen" at some children's bapts,
 bapt 7 April 1829
 [Tralee RC par records],
sp Richard O'Savage and  Joanna O'Counihan.
 Listed as of Tralee at mar.
 She   mar  19 October  1858 
 [Tralee RC par records]
 to Jeremiah Quirk
and had issue.  
 Mar wit by Timothy Collins and Michael Callaghan.
 
 
-  Margaret O'Callaghan,
 bapt 10 May 1832
 [Tralee RC par records],
sp Maurice O'Savage and Margaret O'Savage,
 joined her brother Michael in San Francisco,
 obituary calls her a native of Tralee.
 
-  Thomas O'Callaghan,
 bapt 8 March 1835
 [Tralee RC par records],
sp James O'Callaghan and Catherine O'Slattery.