Hello, Verna. I am sorry to report that I do not have anything for Isaac C Bush, but I do have his parents and siblings. Here is what I do have, and I hope you find the rest of your queries for Duval County...

Robert

Descendants of John Prescott Bush

1 John Prescott Bush b: December 23, 1787 in Ninety Six Precinct, South Carolina d: August 11, 1849 in Dale County Alabama
.. +Mary Frances Johnston b: August 09, 1801 in Barnwell County, South Carolina (Orangeburgh Precinct) d: 1867 in Dale County Alabama m: October 27, 1814 in South Carolina
.. 2 Elizabeth Bush b: February 20, 1817 in Stewart County, Georgia
...... +Baldwin McGill
.. 2 Cynthia Ann Bush b: November 20, 1818 in North Carolina d: 1867 in Dale County Alabama Burial: Antioch Cem, Dale or Barbour Co AL
...... +[5] David C Chancy b: May 02, 1815 in Columbus County, North Carolina d: October 30, 1891 in Troy, Pike County, Alabama m: November 15, 1836 in Stewart County, Georgia Father: Nathan Chancy Mother: Unknown Burial: Spring Hill Cemetary, Pike County, Alabama
....... 3 John Nathan Chancy b: 1838 in Stewart County, Georgia d: November 22, 1871 in Beck's Mill, Dale County , Alabama
........... +Mahalia Ann Jane Mcdonald b: May 1835 in Alabama d: 1918 in Alabama m: January 09, 1862 in Dale County Alabama Father: John A. C. Mcdonald Mother: Mary Ann Cambell
....... 3 Eliza Chancy b: November 26, 1840 in Stewart County, Georgia
........... +Rev. James M. Stubbs b: June 09, 1835 in Randolph, Georgia d: December 1863 in Randolph, Georgia
....... 3 Catherine Chancy b: September 13, 1842 in Stewart County, Georgia d: February 06, 1888 in Troy, Pike County Alabama Burial: Springhill Cemetery, South of Troy, Pike County, Alabama
........... +William M.Thomas
....... 3 David Chancy b: 1845 in Stewart County, Georgia d: Bef. 1900 in Wood County, Texas
........... +Sarah Jane Lee b: December 1842 in Georgia d: Abt. 1920 in Texas m: Abt. 1868 in Dale County, Alabama
....... 3 Amos E. Chancy b: August 23, 1847 in Stewart County, Georgia d: May 06, 1933 in Hartford, Geneva County, Alabama Burial: Hartford City Cemetery, Geneva County , Alabama
........... +Catherine Ann b: August 29, 1846 d: March 31, 1938 in Hartford, Geneva County, Alabama m: in Alabama Burial: Hartford City Cemetery, Geneva County , Alabama
....... 3 William H. Chancy b: 1850 in Stewart County, Georgia
........... +Mary m: in Dale or Pike County Alabama
....... 3 Isaac D. Chancy b: August 07, 1855 in Stewart County, Georgia d: September 10, 1916 in Hartford, Geneva County, Alabama Burial: Hartford City Cemetery, Geneva County, Alabama
........... +Annie G b: July 04, 1850 d: May 23, 1920 in Hartford, Geneva County, Alabama m: in Alabama Burial: Hartford City Cemetery, Geneva County, Alabama
....... 3 Angeline Chancy b: September 27, 1858 in Barbour or Dale County, Alabama
........... +John Boyce Jackson b: June 1850 in Coffee County , Alabama m: November 01, 1877 in Elba, Coffee County, Alabama
.. 2 Harriet Bush b: October 17, 1820 in Stewart County, Georgia
...... +Henry M. Jenkins
.. 2 Isaac C Bush b: November 06, 1822 in Stewart County, Georgia
.. 2 [1] William Prescott Bush b: December 12, 1824 in Stewart County, Georgia
...... +Elizabeth Turner
.. *2nd Wife of [1] William Prescott Bush:
...... +Elizabeth Parker Blackmon
.. 2 [2] John Prescott Bush, Jr. b: January 12, 1827 in Stewart County, Georgia
...... +Lucinda Winzer b: January 01, 1834 in Stewart County, Georgia
.. *2nd Wife of [2] John Prescott Bush, Jr.:
...... +Mary Ann Travis
.. 2 [3] Richard Hines Bush b: February 19, 1829 in Stewart County, Georgia
...... +Nancy Ann Parker b: July 17, 1829 in Georgia
.. *2nd Wife of [3] Richard Hines Bush:
...... +Mary E. Bullock
.. *3rd Wife of [3] Richard Hines Bush:
...... +Mary Melvina Johnson
.. *4th Wife of [3] Richard Hines Bush:
...... +Anna J Harbin
.. 2 Elcy Ann Bush b: May 20, 1831 in Stewart County, Georgia
.. 2 [4] Frances Bush b: October 17, 1833 in Stewart County, Georgia d: April 17, 1925 in Troy, Pike County Alabama Burial: Springhill Cemetery, South of Troy, Pike County, Alabama
...... +James C. Rhodes d: in Died in Civil War m: November 21, 1847 in Russell Co AL
....... 3 F. L. Rhodes b: 1854
....... 3 Robert Rhodes b: 1858
....... 3 Marion Rhodes b: 1860
.. *2nd Husband of [4] Frances Bush:
...... +[5] David C Chancy b: May 02, 1815 in Columbus County, North Carolina d: October 30, 1891 in Troy, Pike County, Alabama m: 1867 in Dale County Alabama Father: Nathan Chancy Mother: Unknown Burial: Spring Hill Cemetary, Pike County, Alabama
....... 3 Rosella Chancy b: April 21, 1868 in Dale Counry, Alabama d: October 23, 1898 in Pike County, Alabama
........... +Hiram Nelson b: September 03, 1854 d: April 26, 1939 in Crenshaw Co., AL m: January 10, 1884 in Pike County, Alabama
....... 3 Nora Chancy b: 1869 in Dale County, Alabama
.. 2 Silas Bush b: November 19, 1835 in Stewart County, Georgia
.. 2 Martha Ann Bush b: December 17, 1837 in Stewart County, Georgia
...... +William Fletcher Cox b: February 20, 1834 in Dale County, Alabama d: October 02, 1911 m: December 25, 1853 Father: William Cox Mother: Milly Dowling Burial: Pilgrim's Rest Cem
.. 2 Susanna A. Bush b: February 03, 1840 in Stewart County, Georgia
...... +David M. Young b: Abt. 1840 in Georgia
.. 2 Mary Ann Bush b: April 03, 1842 in Stewart County, Georgia
...... +Robert Releford Phillips, Jr. b: April 08, 1845
.. 2 Annie D. Bush b: May 06, 1844 in Stewart County, Georgia
...... +Isham James Lunsford Phillips b: March 03, 1838 in Twiggs Co., Georgia
.. 2 Marcus D LaFayette Bush b: April 11, 1848 in Stewart County, Georgia