Mercy Hospital of Pittsburgh officially became UPMC Mercy on Jan. 1. That date also represents the beginning of the 161st year of service for the hospital.
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The Sisters of Mercy marked the occasion Thursday afternoon with a celebration of "remembrance, thanksgiving and transition."
The occasion included prayers, music by the Sisters of Mercy choir and the Sisters of Charity bell choir.
A ceremonial candle with three wicks -- one for the Sisters of Mercy, one for the Diocese of Pittsburgh and the third representing UPMC -- was lit.
Bishop David A. Zubic was in attendance.