Billie Eilish , musician better known by her given names
I believe the answer is:
oconnell
(Other definitions for oconnell that I've seen before include "Daniel, remembered in main street (1'7)" , "Daniel . . . . . . . . was known as the Liberator in 19th century Ireland (1'7)" , "Daniel and Mick (1'7)" , "Daniel ........ was called the Liberator" , "Daniel .'. . . . . . ., the great Irish Liberator (1'7)" .)