A birth date (Coolidge-110 born 27 Aug 1695) should not be within eight months of a sibling's birth date (Coolidge-111 born 8 Apr 1696) unless they are twins born within a day of each other.
ANSWER: Changed hers to 8 April 1697.....
Biography
Obediah Coolidge Jr is related to US President Calvin Coolidge. Here is the trail.
Children's Data
Massachusetts, Town Clerk, Vital and Town Records
Name Josiah Coolidge
Event Type Birth
Event Date 17 Jul 1718
Event Place Watertown, Middlesex, Massachusetts, United States
Father's Name Obadiah Coolidge
Mother's Name Rachel
Sources
"Massachusetts, Town Clerk, Vital and Town Records, 1626-2001," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:F4N4-ZLY : 5 November 2017), Josiah Coolidge, 17 Jul 1718; citing Birth, Watertown, Middlesex, Massachusetts, United States, , town clerk offices, Massachusetts; FHL microfilm 745,869.
Author: Yates Publishing
Title: U.S. and International Marriage Records, 1560-1900
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DNA Connections
It may be possible to confirm family relationships with Obediah by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line.
It is likely that these autosomal DNA test-takers will share some percentage of DNA with Obediah:
I too have gone to Coolidge 178 and Coolidge 110 and I agree with Ken Parman that both pages refer to the exact same person, i.e., Obadiah Coolidge II/Jr.
Coolidge-178 and Coolidge-110 appear to represent the same person because: Same name of spouse... No other info to go by, Believe these two are duplicates.