A Mass of Christian burial for William H. "Blackie" Schauman Sr. will be offered at 9 a.m. tomorrow at St. Joseph's Roman Catholic Church, 8420 Belair Road in Fullerton.

Mr. Schauman, 75, a resident of the 4200 block Overton Avenue, died Saturday at St. Joseph Hospital after a stroke.

A native of Baltimore, Mr. Schauman grew up in Waverly and graduated from City College.

He worked for 38 years at Maryland Shipbuilding and Drydock Co., retiring as a ship superintendent in 1977.

He is survived by his wife of 55 years, the former Margaret Einolf; seven sons, William H. Schauman Jr., Thomas R. Schauman, Ronald C. Schauman, Albert W. Schauman, Michael J. Schauman, Timothy J. Schauman and Joseph E. Schauman, all of Baltimore; nine grandchildren; and four great-grandchildren. A daughter, Rosemary M. Schauman, died in 1977.