"HAYES--In this city, June 28, Mary A. Hayes, beloved mother of Emily and Thomas Hayes, Mrs. Kate Parrott and Mrs. M. Weigmann, a native of Ayrshire, Scotland. A member of Pacific Council, No. 8, Chosen Friends. / ** Friends are respectfully invited to attend the funeral to-day (Thursday), at 8:30 o'clock a. m., from her late residence, 979 Harrison street; thence to St. Rose's Church, Brannan street, where a requiem high mass will be celebrated for the repose of her soul, commencing at 9 o'clock a. m. Interment, Mount Calvary Cemetery." ~The Examiner, S.F., June 30, 1898, p. 7

Additional info from cemetery records:
Mary Ann Hayes-- Widow of Patk. Died of dilation of heart, 979 Harrison. Aged 63y.

Originally buried in Mount Calvary Cemetery (SF/defunct). Removed & re-interred at Holy Cross V 5 48 g1 on 17 May 1929.

____SF City Directory listings____
1880- Hayes Mary A., widow, r. 536 ½ Jessie
1879- Hayes Mary A. (widow), r. 536 ½ Jessie
-
1867- Hayes Patrick, salesman with Murphy, Grant & Co., dwl 108 Minna
1865- Hayes Patrick, salesman with Kerby, Byrne & Co. dwl 108 Minna
1864- Hayes Patrick, salesman with Byrne & Co. dwl 108 Minna
1863- Hayes Patrick, clerk with Kerby, Byrne & Co. dwl 108 Minna
1862- Hayes Patrick, salesman with Kerby, Byrne & Co. 7 Montgomery, dwl 725 Union
______________________
1880 US census - SF, San Francisco Co., Calif.
Addr: 536 1/2 Jessie Street

Mary A. Hayes (45) -b abt 1835 Scotland / married / keeping house
Kattie Hayes (19) -b abt 1861 NY / dad b Ireland, mom b Scotland / daughter /dressmaker
Ellen Hayes (21) -b abt 1858 NY / daughter / glove maker
Thomas Hayes (13) -b abt 1867 Calif / son
______________________
1870 US census -- SF, San Francisco Co., Calif.

Mary Hayes (38) -b abt 1832 Scotland / keeping house
Emily Hayes (14) -b abt 1856 NY / at school
Matilda Hayes (12) -b abt 1858 NY / at school
Kate Hayes (10) -b abt 1860 NY / at school
Joseph Hayes (6) -b abt 1864 Calif / at school
Thomas Hayes (3) -b abt 1867 Calif
Michael Garvin (30) -b abt 1840 Ireland / dry goods clerk
Alexander Sherers (32) -b abt 1838 Scotland / clothing clerk