Census records:
Doesn't seem to be on 1830.
1840 Broome Co, Barker has a J. Tarbox - could be John?

1850 Broome Co. Barker page 247
Fam 248 house 260 (next to Lorenzo Thurston)
John Tarbox age 61 Male White Farmer b. CT
Mrs. Betsy Tarbox age 54 b. Mass
Cyrus Tarbox age 26 b. NY
Charles Tarbox age 22 b. NY
Martha Tarbox age 17 b. NY
Marvin Tarbox age 14 b. NY
Julia Tarbox age 13 b. NY
Maria Tarbox age 11 b. NY
Clarissa Tarbox age 8 b. NY
Mrs. Mary Ann Tarbox age 28 b. NY
(family next door is Richard Eldridge)

1860 census = VERY hard to read - town of "Sandford" page 853
fam 1546 house 1547 (next to Eleaser Pinisy?
Charles Tarbox age 32 Farmer B. NY
Ruth age 28 b. NY
Julia age 5 b. NY
Celia age 1 b. NY
John age 73 b. CT
Betsey age 68 b. Mass.
Maria age 23 b. NY
Noel/Niel Townley (Fornley?) age 12 b. NY

2 houses away:
Chauncey Morse 37 b. NY
Caroline 35 b. NY
Myron 9 b. NY
Clark 3 b. NY

next door
Cyrus Tarbox 36 b. NY
Mariam 38 b. NY
George 9 b. NY
Willis 2 b. NY

1870 census town of Sanford p 425 and 426
Family 360 House 370
Tarbox, Miriam age 48 b. NY
", George 19 b. NY
", Willis 12 b. NY

Family 365 House 376 (Next to Morse, Jerusha age 85)
Morse, Chauncey 47 Farmer b. NY
", Caroline 42 b. NY
", Myron 19 b. NY
", Clark 13 b. NY

Family 377 House 389
Tarbox, Charles 43 Farmer b. NY
", Ruth E 39 b. NY
", Julia 13 B. NY
", Celia 11 b. NY
", Dwight 9 b. NY
", John 81 b. CT
Cagwin, John 17 b. PA
Bresee, Susan 26 b. NY

Next door:
Tarbox, Marvin 36 b. NY
", Eunice 36 b. NY
", Edwin 11 b. NY
", Fannie 9 b. NY
", Ernest 4 b. NY
", Alice 1 b. NY
Stevenson, Charles 12 b. NY


Cem Rec:
TARBOX, Betsey wife of John Tarbox died 28 Oct. 1869 aged 73 yrs. 6 mo. 28 days

Marvin's 1st wife:
TARBOX,__________ wife of Marvin Tarbox died 1 Sept. 1862
(on census, it looks like Clarrissa?)

Church Records:
The First Baptist Church
in the village and town of Deposit, Delaware County, New York
(Deposit seemed to overlap the county line)
Ruth Tarbox (Mrs. Chas. Tarbox) Letter Jan. 2, 1859 Chas. Tarbox Bap. Nov. 4, 1866

Marr:
From Genealogy Gleaning:
Seaverson, Eunice of Binghamton m. Marvin Tarbox of Sanford Feb. 15, 1868
Freer, Miriam S. of Binghamton m. Cyrus Tarbox of Barker Dec. 30, 1849

From Barker Town Clerk Records
On 1847-03-16 Chauncey Morse Age 25 of Sanford marr Caroline Tarbox Age 22 of Barker. Marr by Rev. Mr. Lewis of Lisle
he is on page 188 in 1850, which corresponds to the area the rest of the family removed to.