The official records of Allegan County do not list this marriage.
Their records show: Book 6, page 66: Florence S. Ives, 21 yrs, of Martin, born in Wayne Co., N.Y., Father: George Ives, Mother Senna Beckwith. Married 10/22/1890 at Allegan to: Ira Miller, 21 yrs., Born VanBuren co. Mi. farmer, Father Stephen Miller, Mother Eliza Carney.
There is no death record for Ira Miller that would have widowed Florence to remarry.
Book 6, page 98: George R. Davis, 32 yrs., resident of Youngstown, Ohio.born in Boston, Mass, Father George R., Mother: Martha McGee. Married on 2/3/1892: Jessie Pease, 21 yrs., of Hopkins, Allegan County, Mi. born in Petersburg, Ohio, Father: John Pease, Mother: Caroline Schiller.
The 1880 original census is also at Allegan and it lists George Ives, 53, wife Cyrene C. 42, Candace 19, Cora 16, Truman 13, Florence 11, Fellman 4.(Note that the mother is Cyrene not Senna)
In a collection of Obits by Ruth Monteith: Ives, Fred, b. 4-16-1865, Martin, d. 4-19-1947, Allegan, buried E. Martin Cem. surviving 2 daughters, 2 brothers, Mrs. Florence Purdy, South Bend Mrs. Edna Robinson, Kalamazoo Bruce Ives Myre Ives.
This Florence would have been born more around 1885 rather than 1869 for the Florence in the Marriage record.
You may wish to write to Mrs. Donna Benedict, 129 Cedar St., Wayland, Mi. 49348.She will research the local Genealogical organization which as an extensive file of gleanings from newspapers and private papers that might shed some light for you.