Bartholomew Hegarty was a son of Denis Hegarty and Johanna Donovan

 Bartholomew Hegarty's  first marriage to Mary Wholey 

Mary Wholey was a daughter of Timothy Wholey and Johanna Donovan.

Mary Wholey was the first wife of Bartholomew Haggerty.

Children born in New Orleans:

Johanna Haggerty, 1865.  Johanna married Michael O'Brien

Ellen Haggerty, 18 Feb 1869.  Ellen married James Noonan

Mary Agnes Haggerty, 6 Jan 1872.  Mary Agnes married John Fahey

Census 1870:
https://www.familysearch.org/ark:/61903/1:1:M87W-GBN

Death:
Mary Hegarty (formerly Wholey) died on 9 November 1874. She is buried in Saint Patrick Cemetery #1, New Orleans, Orleans Parish, Louisiana.

Death announcement on newspaper:
HAGGERTY - On Monday, November 9, at 1 o'clock, P.M., Mary A. WHOULEY, wife of Bart Haggerty, aged 30 years, a native of the county of Cork, Ireland, and a resident of this city for 26 years.
Her funeral will take place This Day, at 8 P.M.from the residence of her husband, 55 Felicity Street, Her friends and those of Patrick Donovan are respectifully invited to attend.

 

 Bartholomew Hegarty's  second marriage to Rosa Flynn 

Marriage:
Bartholomew Haggerty married Rosa Flynn in New Orleans on 29 November 1875

Census 1880:
https://www.familysearch.org/ark:/61903/1:1:MDXW-HQN

Death:
Bartholomew Haggerty died in New Orleans on 2 March 1882