These may be her sisters?
Source: "New York, New York City Marriage Records, 1829-1940," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:24WM-93W : 20 March 2015), Chasrles W. Crane and Margaret Holahan, 04 Jul 1920; citing Marriage, Manhattan, New York, New York, United States, New York City Municipal Archives, New York; FHL microfilm 1,643,951.
Name Charles W. Crane
White Male Age 29 Single
Birth (Est) 1891 Birthplace Elizabeth, N.J.
Father Francis
Mother Susan Burtes
Marriage 04 Jul 1920 Event Place Manhattan, New York, New York, United States Reference ID cn 22875
Spouse Margaret Holahan
White Female Age 23 Single
Birth (Est) 1897 Birthplace N.Y.City
Father Patrick
Mother Mary Barlow
Source: "New York, New York City Marriage Records, 1829-1940," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:247L-LCD : 20 March 2015), Wm D. O'Connor and Catherine Holahan, 22 Mar 1926; citing Marriage, Manhattan, New York, New York, United States, New York City Municipal Archives, New York; FHL microfilm 1,643,705.
Name Wm D. O'Connor
White Male Age 35 Single
Birth (Est) 1891 Birthplace NYC
Father Daniel
Mother Mary Devine
Marriage 22 Mar 1926 Manhattan, New York, New York, United States
Reference ID cn 11836
Spouse Catherine Holahan
White Female Age 22 Single
Birth (Est) 1904 Birthplace NYC
Father Patrick
Mother Mary Barlow