1. Census records, any of those indicated.

2. "Sedgwick" by Donna Ziegler
a report of some of the descendants of one John Sedgwick (b. abt 1718) and Ann Levens

3. The parish register of Bolton Abbey, 1689 to 1812, LDS Film 0477646 Item 2.
found at the LDS genealogy website

4. Chatham & Hudson Monthly Meeting, Columbia County, New York: Quaker Records
an database

5. Massachusetts, Town Vital Collections, 1620-1988
an database
These records extracted from marriage book images:
a.  "Marriages Enfield, Mass"
RegisteredGroom & BrideConditionAgeOccupationMarriagePlace of BirthResidenceParents
Sep 19 1855George SedgwickBachelor26Stage DriverSept 20Kinderhook NYWareFrancis & Abby
 Catherine SagendorphMaid24  Red Hook NYWarePhillip & Eleanor
b.  "Marriages Soleminized in Spencer, County of Worcester, during the year 1878"
DateGroom & BrideResidenceAgeOccupationPlace of BirthParents
Apr 17George H SedgwickSpencer21ClerkWareGeorge & Catherine
 Lizzie J GrangerSpencer21 HardwickWm T & Samantha

Questions? Have more data?