Since there are no records for Lucinda after the birth of her daughter in 1872, it is quite likely that she died at, or shortly after the birth.
"Wisconsin Marriages, 1836-1930", database, FamilySearch (https://familysearch.org/ark:/61903/1:1:XRK1-SJ7 : 30 January 2020), Lucinda Sage in entry for Isaac O. Wilden, 1869.
"Wisconsin Marriages, 1836-1930", database, FamilySearch (https://familysearch.org/ark:/61903/1:1:XR6P-NW4 : 30 January 2020), Louisianna Sage in entry for Francis Evans, 1888.
"United States Census, 1870", database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:MN9Z-CH1 : 29 May 2021), Lucinde Welden in entry for Isaac Welden, 1870.
Genealogical Record of the Descendants of David Sage, A native of Wales: Born 1639, and one of the first settlers of Middletown, Connecticut -- 1652. Carefully Prepared and revised by 1515 Elisha L. Sage in 1878 from Authentic Records. Brought to date (1919 ) by 232 Charles H. Sage -- page 24, item 114
This week's featured connections are Redheads: Lucinda is 18 degrees from Catherine of Aragón, 15 degrees from Clara Bow, 24 degrees from Julia Gillard, 15 degrees from Nancy Hart, 13 degrees from Rutherford Hayes, 15 degrees from Rita Hayworth, 20 degrees from Leonard Kelly, 20 degrees from Rose Leslie, 20 degrees from Damian Lewis, 17 degrees from Maureen O'Hara, 21 degrees from Jopie Schaft and 35 degrees from Eirik Thorvaldsson on our single family tree. Login to see how you relate to 33 million family members.