Mrs.Mary Regula Mayerchak;57;of 103 Rear Lincoln Ave.;Charleroi;died in Mercy Hospital;Pittsburgh;Thursday;Jan.1;1970 at 2:25 p.m. Born in Monessen;she was a daughter of the late Charles and Mary Tomayko Regula. She was a member of Sts.Cyril and Methodius R.C.Church;Charleroi and was a member of the Christian Mothers of the Church. A Charleroi resident 23 years;she is survived by her husband;Steven C.Mayerchak;her daughter;Mrs.Dennie (Joan) Zucconi of Belle Vernon;her mother;Mrs.Charles J.Regula of Charleroi;two brothers;Charles W.Regula of Charleroi and Edward W.Regula of Belle Vernon;three sisters;Mrs.Earl F.Cross of Birmngham;Mich.;Mrs.Neil (Pauline) Connor and Charlotte Regula of Charleroi and three grandchildren. Friends are being received at Francis C.Slezak Funeral Home;Charleroi;from 2 to 5 and 7 to 10 p.m.Blessing service there Monday;Jan.5;at 10 a.m.followed by Requiem High Mass in Sts.Cyril and Methodius R.C.Church;Charleroi;at 10:30 a.m. The Rev.Andrew Bialobok;pastor;will officiate. Interment;Belle Vernon Cemetery. Francis C.Slezak is funeral director.