Evidently I read the publish year incorrectly for that Dentist Summary it appears Frank L. Ryder actually died June 22, 1922 not 1921. Look where he was finally buried.
Find A Grave Index
Name Frank Lincoln Ryder
Event Type Burial
Event Date 1922
Event Place Willington Hill, Tolland, Connecticut, United States of America
Birth Date 19 Feb 1865
Death Date 22 Jun 1922
Affiliate Record Identifier 10312581
Cemetery Old Willington Hill Cemetery
CITING THIS RECORD
"Find A Grave Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:QVVZ-R313
: accessed 26 September 2015), Frank Lincoln Ryder, 1922; Burial, Willington Hill, Tolland, Connecticut, United States of America, Old Willington Hill Cemetery; citing record ID 10312581, Find a Grave, http://www.findagrave.com
By the way, that Mrs G. B. Robbins of Willington, CT was Ella (Shippee) Wilbur Robbins, married twice. First time to Burnis Wilbur, second time to George Benjamin (or Benjamin George) Robbins in Dec 1913.