TIERNEY ESTELLE SIS (HAGAN) Age 96, formerly of the North Side, on Saturday, February 8, 2014. Wife of the late Thomas J. Tierney; loving mother of Mary Suzanne Ryan and cherished mother-in-law of Neal; sister of the late Mary (Hagan) Thompson and her twin brother, Frank Hagan. Friends received Tuesday 2-8 p.m. at T.B. DEVLIN FUNERAL HOME, 806 Perry Hwy., North Hills. Mass of Christian Burial in St. Peter's Church, Wednesday time later. Sissy, with her beautiful blue Irish eyes was a joy to all and will be sorely missed. The family would like to thank the staff of Marian Manor for the loving and compassionate care of their mother. Send condolences at post-gazette.com/gb