Following is all I found in the IC book on anyone with a surname that you mentioned:
Unfortunately I didn't find anything on the REAGANS or the SCHEURICHS.I did find dates and pictures of MCCORMICKS and FIELDS, tho these are probably descendants of those that you mentioned:
Julia "FIELDS" Ryan:Group pictures:c. 1914; 1912 8th grade girls graduation; c. 1902; 1912 graduation.Mention that she was a charter member of the St. Ann Circle #209 of the Daughters of Isabella and present at the 50th anniversary celebration 04/30/1972.
Thomas FIELDS:Mention that he was an altar boy for the dedication Mass for the new church building 12/11/1887 and that windows for the nave were contributed "In Memory of Thomas & Catherine FIELDS" (before 1984).
Loretta FIELDS:Group pictures:c. 1901; 7th & 8th graders, 1909; 8th grade 1910; 1911 graduates; women who made a WWI service flag; 1948 Daughters of Isabella Old Maids' Show.
Mention of marriage of Michael TIERNEY and Elizabeth BANNON (different spelling?), 7/20/1860, witnesses were James OWENS and Elizabeth TIERNEY.
Cheryl "BELLES" MCCORMICK:Group picture:10/31/65, St. Mary School 1st Communion class.
Jack MCCORMICK:A groomsman or usher in wedding (Nancy WILSON & Sam OWEN)picture 2/1/1964.Group picture of 1944 Catholic Youth Organization.
Jane MCCORMICK:Group picture:10/30/1966, St. Mary's School 1st Communion class.
If I can help anymore, feel free to email me at email@example.com.