Chester is now in Hampden Co,                                                                 Mass - Worcester  -1790
and found some LDS Familysearch.org entries:

John b. abt 1749, of Chester, Hampden, MA
Others: Samuel, Thomas, John
Also a John Blair ELDER, b. 9 Nov 1810  (f: John m: Electa)

Found some history books mentioned for the area.  Sent for
the first one on Interlibrary loan.
2nd one is 3 vol. - hoping someone helping me in Ohio
will look in that one.
          From the OhioLINK Central Catalog
Record 1 of 2
LOCATIONS    OBE
CALL #       F74.C56 C8.
AUTHOR       Copeland, Alfred M. (Alfred Minott), b. 1830.
TITLE        A history of the town of Murrayfield : earlier known as
Township No. 9, and comprising the present towns of Chester and
Huntington, the northern part of Montgomery, and the
southeast corner of Middlefield : 1760-1763 / by Alfred M.
Copeland.
IMPRINT      Springfield, Mass. : C.W. Bryan & Co., Printers, 1892.
DESCRIPT'N   175 p., [1] leaf of plates : ill., maps ; 23 cm.
NOTE         Includes index.
SUBJECT      Chester (Mass.) -- History.
SUBJECT      Huntington (Mass.) -- History.
SUBJECT      Montgomery (Mass.) -- History.
SUBJECT      Middlefield (Mass.) -- History.
OCLC #       3075180.
LCCN         01011302.
LOCAL PAC    Oberlin College.
Record 2 of 2
CALL #       F72.H2 C7. 
***
In Google Books:
http://tinyurl.com/2aml8rf

*****
Page 150-151: James Campbell of Blandford and Isabel ELDER
            listed under title Marriages.
page 150:
"Very few entries of actual marriages appear upon the town records of Murrayfield. 
They were kept no doubt by the clergymen who performed the service, and possibly many appear upon the church records..."
Below is a list of intentions of marriage that appear in the first record book of the town..."
Page 151:
"January 27, 1783  James Campbell of Blandford and Isabel Elder of Murrayfield. 
Married December 18, 1783."

At least one other couple has marriage date before "intentions" date.
Other Campbell and Elder names are listed on page 151.
for example,
March 8, 1784: William Elder and Sarah Campbell.

***

Page 102- 103 has
"The last valuation list taken by the assessors of the town under the name of Murrayfield, was dated November 15, 1782, a copy of which is given [here]....:"
Names on page 103:
James Campbell, Matthew Campbell, Lieut. Wm. Campbell, Robert Campbell listed with Samuel Elder, Thomas Elder, William Elder.

****
AUTHOR       Copeland, Alfred Minott, 1830-
TITLE        "Our county and its people" : A history of Hampden County,
               Massachusetts. / Editor: Alfred Minott Copeland.
IMPRINT      [Boston] : Century Memorial Pub. Co., 1902.
DESCRIPT'N   3 v. ; 27 cm.
SUBJECT      Hampden County (Mass.) -- History.
SUBJECT      Hampden County (Mass.) -- Biography.
OCLC #       3075222.
ISN/STD #    2633456.
LCCN         2-25938.
LOCAL PAC    State Lib Ohio.
*****

Page 9:
"...The deed was dated July 8th 1742, the year after the township
called Glasgow was incorporated under the name of Blandford."

Page 29-30:
"Murray Field, lying adjoining to Blandford....lots drawn January 5,
1763...
Samuel Elder, No. 104"

Murrayfield...Page 63:
The valuation list taken in September, 1769, shows the following
new names: John Blair, James Clark, Jr., Timothy Culver, Benjamin
Eggleston, Thomas Elder, Ebenezer Gordon, ...."

**********

WorldConnect database:
http://wc.rootsweb.com/cgi-bin/igm.cgi?op=GET&db=:3216755&id=I19853
by Richard Syriac

ID: I623192897
Name: John B. ELDER
Given Name: John B.
Surname: Elder
Sex: M
Birth: 1810 in Chester,Hampden, Massachusetts
Death: 1891 in Chester,Hampden, Massachusetts
Census: 1850 Chester,Hampden, Massachusetts
Note: REFN: 19853

Father: John ELDER b: 1784 in Massachusetts
Mother: Electa LYMAN b: 7 Dec 1785 in Chester,Hampden, Massachusetts

Marriage 1 UNKNOWN DINAH b: 1834 in England
 •  Note: REFN324523
 Children
 1   Sarah A. ELDER b: 19 May 1855 in Chester,Hampden, Massachusetts

*******