In the 1900 US Census for District 115, Dunns Rock, Transylvania County, North Carolina the family of Henry P. Clarke was enumerated as follows:
Clark [sic], Henry; Head; White; Male; b. Apr 1859; 41; Married six years; Married in 1894; b. Connecticut; Both parents b. Connecticut
Clark, Mary J.; Wife; White; Female; b. Aug 1860; 39; Married six years; Married in 1894; b. South Carolina; Both parents b. South Carolina
Clark, Nancy B.; Daughter; White; Female; b. Feb 1889; 11; Single; b. South Carolina; Father b. Connecticut; Mother b. New York
Clark, Hary P. [sic]; Son; White; Male; b. Jun 1896; 3; Single; b. South Carolina; Father b. Connecticut; Mother b. South Carolina
Robertson, P.L.; Governess; White; Female; b. Apr 1877; 23; Single; b. South Carolina; Both parents b. South Carolina
Anderson, Agness [sic]; Niece; White; Female; b. Dec 1886; 13; Single; b. South Carolina; Both parents b. South Carolina
Sizemon, Hattie; Cook; White; Female; b. Mar 1866; 34; Single; b. North Carolina; Both parents b. North Carolina
Wilson, Alice R.; Waitress; White; Female; b. Oct 1880; 19; Single; b. North Carolina; Both parents b. North Carolina
Olsin [sic], Albert H.; White; Male; b. Mar 1875; 25; Single; b. North Carolina; Both parents b. North Carolina
In the 1910 US Census for District 0158, Dunns Rock, Transylvania County, North Carolina the family of Henry P. Clarke was enumerated as follows:
Clarke, Henery P. [sic]; Head; Male; White; 51; b. 1959; Married; b. Connecticut; Both parents b. Connecticut
Clarke, Mary J.; Wife; Female; White; 49; b. 1861; Married; b. South Carolina; Both parents b. South Carolina
Clarke, Harry P.; Son; Male; White; 13; b. 1897; Single; b. South Carolina; Father b. Connecticut; Mother b. South Carolina
Clarke, Nancy B.; Daughter; Female; White; 21; b. 1889; b. South Carolina; Both parents b. Connecticut
Cyan, Green; Servant; Black; 62; b. 1848; Widowed; b. South Carolina; Both parents b. South Carolina