I believe that Mary Meacham Wood is the same as Mary Eaton Wood. From FindAGrave.com.[2]
Mary Elizabeth Meacham Wood
BIRTH 4 Mar 1827
DEATH 27 Oct 1888 (aged 61)
BURIAL West Chazy Rural Cemetery, West Chazy, Clinton County, New York, USA
MEMORIAL ID 146249395
It doesn't list a last name of Eaton. Fetterly-28 04:20, 23 May 2021 (UTC)
Research Note
The only record I found connecting an Eaton married to a Wood was this one:
Name Margaret Carl
Sex Female
Death Date 18 Jan 1953
Death Place Placer, California, United States
Death Place (Original) PLACER
Father's Name Eaton
Mother's Name Wood
Birth Date 13 Mar 1868
Birthplace New York
"California Death Index, 1940-1997," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:VPFN-4RB : 26 November 2014), Eaton in entry for Margaret Carl, 18 Jan 1953; Department of Public Health Services, Sacramento. Fetterly-28 04:47, 23 May 2021 (UTC)
Sources
↑ Source Citation: Book Title: The Howard Genealogy Descendants of John Howard of Bridgewater. Source Information: Ancestry.com. North America, Family Histories, 1500-2000 [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2016.