I'm not related to the Ramsour family, however, after reading your query, I searched Ancestry and found the following information about the Ramsours:

Social Security Death Index

Granville RAMSOUR

Birth Date: 28 Aug 1912

Death Date: 9 Nov 1989

State or Territory Where Number Was Issued: Texas

Death Residence Localities

ZIP Code: 75901

Localities: Bald Hill, Angelina, Texas
Cedar Grove, Angelina, Texas
Clawson, Angelina, Texas
Davisville, Angelina, Texas
Fuller Springs, Angelina, Texas
Gilbert, Angelina, Texas
Herty, Angelina, Texas
Homer, Angelina, Texas
Hudson, Angelina, Texas
Keltys, Angelina, Texas
Lufkin, Angelina, Texas
Moffett, Angelina, Texas
Providence, Angelina, Texas
Red Town, Angelina, Texas
Redland, Angelina, Texas
Woodlawn, Angelina, Texas

1850 Census Rusk, Rusk Co., TX
Steam Mill

Hosea Ramsaur 30 Male White Mill Wright b. NC
Archibald Ramsaur 24 Male White Mill Wright b. NC
James Seagur 20 Male White Mill Wright b. NC
James Smith 22 Male White Farmer b. TN
Ransum Kimbull 22 Male White Waggon Maker b. GA
Manning Kimbull 27 Male White Carpenter b. GA

1860 Census Tyler, SMith Co., TX
A. H. Ramsour 41 Male White Miller $0 $4700 b. NC
Martha Ramsour 31 Female White b. AL
John Ramsour 4 Male White b. TX
Willie Ramsour 3 Male White b. TX
Franklin Ramsour 1mon Male White b. TX

1860 Census Tyler, Smith Co., TX
Archie Ramsour 34 Male White Farmer $2000 $700 b. NC
Ann Ramsour 26 Female White b. NC
Susan Ramsour 4 Female White b. TX
Saml Ramsour 1 Male White b. TX
George Cansler 21 Male White Farm Laborer b. NC
J. M. Seagle 25 Male White Engineer $0 $2000 b. NC

1860 Census Tyler, Smith Co., TX
James O. Ramsour 28 Male White Black Smith b. NC

1870 Census Tyler, Smith Co., TX
Martha Ramsour 40 Female White Keeps House $2500 $200 b. AL
John Ramsour 15 Male White At School b. TX
Willie Ramsour 13 Male White At School b. TX
Frank Ramsour 11 Male White At School b. TX
James Ramsour 9 Male White b. TX
Likus Ramsour 7 Male White b. TX
Pelham Ramsour 4 Male White b. TX
Elizabeth Hugins 38 Female White No Occupation b. AL
Rebecca Hugins 14 Female White At Home b. TX

1870 Census Canton Beat, Smith Co., TX
Mary Ramsour 34 Female White Keeping House $1000 $490 b. AR
Houston Samsour 11 Male White Keeping House b. TX
Robert Ramsour 6 Male White Farm Labor b. TX
Archy Ramsour 4 Male White b. TX
Frances Canselor 22 Female White No Occupation b. NC
Sarah Canselor 17 Female White No Occupation b. TX

1880 Census Tyler, Smith Co., TX
M. J. RAMSOUR Self Widow Female W 50 AL Keeping House AL AL
Jno. B. RAMSOUR Son S Male W 24 TX Clerk In Store AL AL
W. C. RAMSOUR Son S Male W 23 TX Laborer AL AL
Frank RAMSOUR Son S Male W 20 TX Laborer AL AL
J. S. RAMSOUR Son S Male W 19 TX Laborer AL AL
L. RAMSOUR Son S Male W 16 TX Laborer AL AL
Pellham RAMSOUR Son S Male W 14 TX Laborer AL AL

1920 Census Dist 79, Tyler Ward 2, Smith Co., TX
Frank Ramsour Head Owner Farm Male White Age 58 married born: TX Father born: AL Mother born: TX Occu: Salesman Dry Goods
Wurter Ramsour Wife Female White Age 54 married born: TX Father born: USA Mother born: USA
Granville Ramsour Daughter(sic)** Female White Age 7 single born: TX Father born : TX Mother born: TX
Likens Ramsour Brother Male White Age 56 Single born: TX Father born: AL Mother born: TX Occu: Book-keeper Compress

** This would appear to be an enumeration error. There weren't any other Granville Ramsours recorded living in Smith County in 1920.

1930 Census Dist 6, Tyler, Smith Co., TX
Wurter v. Ramsour Head Owns Home Worth $3000 Female White Age 55 widow born: TX Father born: TX Mother born: TX

Granville P. Ramsour Son Male White Age 17 single born: TX Father born: TX Mother born: TX Occu: Accountant Steam Rail Road

Source: Salt Lake City temple endowments for the dead, 1893-1970; heir indexes, 1924-1956; baptisms for the dead, 1941-1970, 1893-1970 Church of Jesus Christ of Latter-day Saints. Salt Lake Temple

Source Information:

Ancestry.com. Texas Birth Index, 1903-1997 [database online]. Provo, Utah: MyFamily.com, Inc., 2005. Original data: Texas. Texas Birth Index, 1903-1997. Microfiche. Texas Department of State Health Services, Texas.

Name: James Michael Ramsour
Date of Birth: -----------
County where Born: Cherokee County
Mother: Sadie Byrne Eagerton
Father: Granville Hosea Ramsour

Source Information:
Texas Department of Health. Texas Death Index, 1964-1998. [database on-line] Provo, UT: Ancestry.com, 2000-. Original electronic data from:Texas Department of Health. Texas Death Indexes, 1964-1998. Austin, TX. Texas Department of Health. State Vital Statistics Unit, 19xx-.

Name Death Date Death County Gender

Granville Hosea Ramsour 09 November 1989 ANGELINA M

Source Information:
Ancestry.com. Texas Marriage Collection, 1814-1909 and 1966-2002 [database online]. Provo, Utah: MyFamily.com, Inc., 2005. Original data:

Name: Granville Ramsour
Gender: Male
Marriage Date: 1 Oct 1988
Estimated Birth Year: abt 1912
Age: 76

Spouse: Jessie Baldwin
Spouse Gender: Female
Spouse Est Birth Year: abt 1917
Spouse Age: 71

Marriage County: Houston
Marriage State: Texas

IGI Individual Record FamilySearch™ International Genealogical Index v5.0

Archibald Ramsour
Male

Event(s):
Birth: 1826 , Lincoln, North Carolina

Christening:
Death: 1868

Burial:

Parents:
Father: John Ramsour
Mother: Susannah Summey

Source Information:
Ancestry.com. Texas Marriage Collection, 1814-1909 and 1966-2002 [database online]. Provo, Utah: MyFamily.com, Inc., 2005. Original data

Name: Archibald Ramsour
Gender: Male
Marriage Date: 29 Apr 1852

Spouse: M. A. Cansler

Marriage City: Rusk
Marriage State: Texas

Name: A. H. Ramson(sic)
Gender: Male
Marriage Date: 26 Sep 1854

Spouse: Martha J. Cameron

Marriage City: Rusk
Marriage State: Texas

You can find a picture of the home where Andrew Hosea Ramsour (father of Frank, grandfather of Granville) lived at this website:

http://www.cets.sfasu.edu/SmithCoLM2.html

AND HERE:

http://www.historictyler.org/preservation/tyler_historic_landmarks/

It is one of the oldest surviving homes in Tyler.

Family Outline Based on the above information:

John Ramsour b. Dec 5, 1791 d. Aug 15, 1842 married Susannah Summey b. Sept 14, 1790 d. Spet 25, 1850 Lincoln Co., NC (see: http://ftp.rootsweb.com/pub/usgenweb/nc/lincoln/cemeteries/ramsaur.txt)

children:

1) Andrew Hosea Ramsour b. Feb 4, 1819 Lincoln Co., NC d. July 16, 1867 Tyler, Smith Co., TX married Sept 26, 1854 Rusk, Rusk Co., TX Martha J. Cameron b. Oct 4, 1828 AL d. Mar 30, 1905 Prob. Tyler, Smith Co., TX See- http://ftp.rootsweb.com/pub/usgenweb/tx/smith/cemetery/oakwood1.txt

a. John B. Ramsour b. Sept 8, 1855 TX d. Dec 16, 1882 Tyler, Smith Co., TX

b. Willie C. Ramsour b. May 30, 1857 TX d. Dec 2, 1915

c. Franklin "Frank" Ramsour b. July 1, 1859 Tyler, Smith Co., TX d. June 20, 1926 Tyler, Smith Co., TX married Wurter V. Unknown b. Nov 9, 1875 TX d.Nov 14, 1930 (They were the parents of your ancestor, Granville Ramsour)

d. James S. Ramsour b.abt 1861 Tyler, Smith Co., TX

e. LikEns Ramsour b. Spet 17, 1863 Tyler, Smith Co., TX d. June 8, 1925 Smith Co., TX

f. Pelham H. Ramsour b. Apr 26, 1866 Tyler, Smith Co., TX d. Dec 14, 1919

2) Archibald Ramsour, Sr. b. abt 1826 NC d. 1866/1870 Smith Co., TX married Apr 29, 1852 Rusk, Rusk Co., TX Mary Ann Cansler b. 1834/6 AR or NC d. aft 1870

a. Susan Ramsour b. abt 1856 TX

b. Samuel Houston Ramsour b. Dec 28, 1858 Smith Co., TX d. Oct 29, 1933 See: http://ftp.rootsweb.com/pub/usgenweb/tx/smith/cemetery/libertyhill.txt

c. Robert Ramsour b. abt 1864 Smith CO., TX

d. Archibald Ramsour b. abt 1866 Smith Co., TX

3) James O. Ramsour b. abt 1832 NC

4) Peter S. Ramsour b. 1834 Lincoln Co., NC d. Nov 13, 1852 Smith Co., TX See: http://ftp.rootsweb.com/pub/usgenweb/tx/smith/cemetery/oakwood1.txt