Looking for connections to my gggrandmother

Barbara Dunlap
1872–1935
BIRTH 1872 • , Ireland
DEATH 5 MAY 1935 • Carnegie, Allegheny, Pennsylvania, USA

Married Michael Conley in Carnegie, Oct 1899
He was from Galway
Michael Conley
1876–1947
BIRTH JUL 1876 • Ireland
DEATH 12 FEB 1947 • Collier, Allegheny, Pennsylvania, US

Mother listed as "barbara Conners" on death cert

US records have all been found and led to dead ends
Can not find her family before her marriage