(Francis Marion Cockrell is the brother of my great grandfather Columbus Jefferson Cockrell.)

The Daily Ardmoreite, Ardmore, OK
Monday, 11 Jan 1915:

HEALDTON
"After a long illness Frank Cockrell died last Sunday and was buried here Monday last. He was well known in this section. He leaves a widow and large family, all about grown."
••Sunday would be Jan. 3.••

1860 census - Franklin Township, Newton County, Missouri.
Thomas J. Cockerel, age 28, born Indiana, farmer
Kesiah Cockerel, 29, Tennessee
Francis, 6, Missouri

1870 census - Franklin Township, Newton County, Missouri.
Thomas J. Cockerell, 37, IN, farmer
Keziah Cockerell, 38, TN
Francis M., 16, MO

Texas Marriages, 1837-1973" - Hill County, Texas: 05 Feb 1876.
Name : Francis M. Cockrell
Spouse: Martha J. Stefflemeil (sic)

"Texas Births and Christenings, 1840-1981", Hamilton, Hamilton County, Texas: 10 Jan 1881.
Name: Francis Marion Cockrell
Father: Francis Marion Cockrell
Mother: Martha Jane Stiflemire

1880 census - Precinct 4, Hamilton County, Texas.
Francis M. Cockrell: 27, MO, farmer; father born in IN, mother in TN
Wife: Martha Cockrell: 26, TX
Dau: Sarah J Cockrell: 4, TX
Dau: Emma Cockrell: 2, TX
Son: Thomas Cockrell, 11 mos, TX
Mother-in-law: Martha Stiflesnire: 60, AL
Brother-in-law: George W Stiflesnire: 20, TX

1900 census - Chagris Township (Pickens County) Townships 3-4 S, Ranges 3 W, Chickasaw Nation, Indian Territory, U.S: dated June 8th.
Head: Frances M Cockrell*, 46, born Feb 1854, MO, farmer; married 24 years.
Wife: Martha J Cockrell*, 46, May 1854; mother of 11 children, 8 still living.
Dau: Ada V: 23, Oct 1877, TX
Dau: Julia, 22, Jan 1878, TX
Son: Francis M: 19, Jan 1881, TX
Dau: Mary E, 17, Dec 1882, TX
Son: George E, 12, Jun 1887, TX
Dau: Lina, 11, Feb 1889, TX
Son: Garrett E, 9, May 1891, TX
Son: Elishia L, 4, Jun 1896, Indian Territory
(Transcription of last name is "C*Krell)

1910 Census - Graham Township, Carter County, Oklahoma.
Head: Francis M Cockrell, 57, MO; married 34 years; father born IN, mother TN.
Wife: Martha J, 56, TX; married 34 years; mother of 11 children, 7 still living.
Son: Francis M, 29, TX
Dau: Bettie, 26, TX
Son: George A, 22, TX
Son: James, 13, OK
Grandson: Edward Tendoll, 7, OK

Francis Marion Cockrell and his family left Texas for the Indian Territory of Oklahoma sometime after the birth of son Garrett "Charley" in 1891-2, and before the birth of Elisha "James" in 1895-6.