Here is the information I gathered on Samuel Delph In your search for your Delph ancestors, you may consider looking at the Delp name as well.
Research shows this Delp/Delph line began in Culpeper Co, VA with Conrad Delph @1740. Many of his grandchildren migrated to Boone Co, KY about 1810.
The data below is corroborated by the 1850 Census.As Samuel and Polly married in 1816 there may very well have been older children born between 1816 and 1824.
1.SAMUEL DELPH, JR(SAMUEL, CONRAD) was born Bet. 1790 - 1793 in Madison Co, Virginia and died January 22, 1879 in Boone County, Kentucky.He married POLLY BEEMON September 22, 1816 in Boone Co., Kentucky.She was born Abt. 1800 in Virginia. Children of SAMUEL DELPH and POLLY BEEMON are: i. JAMES A. DELPH, b. Abt. 1824, Virginia. ii. MARTHA J. DELPH, b. Abt. 1825, Virginia; d. February 23, 1879. iii. ERASTUS DELPH, b. Abt. 1827. iv. ALETHA DELPH, b. Abt. 1834. v. LOUISA DELPH, b. Abt. 1836; m. JOHN BARNARD, October 26, 1967, Boone Co., Kentucky. vi. FRANCES DELPH, b. Abt. 18387; m. WILLIAM ADAMS, May 27, 1870, Boone Co., Kentucky. vii. HARRIET DELPH, b. Abt. 1840; m. O.E. ROUSE, December 21, 1866, Boone Co., Kentuc