α. 1800s Caitilin Ni Uallachain, 1800s Kathaleen Ny-Houlahan, 1800s Kathleen Ni Hool’haun, 1800s– Caitlin Ni Hoolihan, 1800s– Caitlin Ni Houlihan, 1800s– Cathleen Ni Hoolihan, 1800s– Cathleen Ni Houlihan, 1800s– Kathleen Ni Hoolihan, 1800s– Kathleen Ni Houlihan, 1900s Cathleen Ny Hoolihan, 1900s– Caitlin Ni hUallachain, 1900s– Caitlín Ní hUallacháin, 1900s– Caitlin Ni Uallachain, 1900s– Caitlín Ní Uallacháin; also with lower-case initial in the middle element.
β. 1900s– Kathleen O'Hoolihan, 1900s– Kathleen O'Houlihan.