| # | Children | Name | Born | Died | Father | Mother |
| 1 | | | b. 29 Mar 1828 | d. 23 Apr 1849 | James Lewis Rowntree, Sr | Musidora Flack |
| 2 | Yes | | b. 30 May 1829 | d. 23 Mar 1864 | James Lewis Rowntree, Sr | Musidora Flack |
| 3 | | | b. 8 Oct 1830 | d. 1888 | James Lewis Rowntree, Sr | Musidora Flack |
| 4 | | | b. 30 Nov 1831 | d. 26 Apr 1838 | James Lewis Rowntree, Sr | Musidora Flack |
| 5 | | | b. 6 Mar 1833 | d. 19 Nov 1849 | James Lewis Rowntree, Sr | Musidora Flack |
| 6 | | | b. 4 Jun 1834 | d. 4 Sep 1839 | James Lewis Rowntree, Sr | Musidora Flack |
| 7 | Yes | | b. 18 Feb 1836 | d. 3 Oct 1933 | James Lewis Rowntree, Sr | Musidora Flack |
| 8 | Yes | | b. 31 Oct 1837 | d. 11 Nov 1921 | James Lewis Rowntree, Sr | Musidora Flack |
| 9 | | | b. 1840 | d. 1849 | James Lewis Rowntree, Sr | Musidora Flack |
| 10 | Yes | | b. 29 Jan 1842 | d. 19 May 1902 | James Lewis Rowntree, Sr | Musidora Flack |
| 11 | Yes | | b. 10 Mar 1845 | d. 20 Feb 1936 | James Lewis Rowntree, Sr | Musidora Flack |
| 12 | Yes | | b. 9 Dec 1846 | d. 20 Jul 1893 | James Lewis Rowntree, Sr | Musidora Flack |
| 13 | Yes | | b. 22 May 1848 | d. 8 Jan 1933 | James Lewis Rowntree, Sr | Musidora Flack |
| 14 | | | b. 4 Jan 1851 | d. 1851 | James Lewis Rowntree, Sr | Martha Ann Rogers |
| 15 | Yes | | b. 16 Apr 1852 | d. 22 Jul 1934 | James Lewis Rowntree, Sr | Martha Ann Rogers |
| 16 | Yes | | b. 12 Jul 1854 | d. 12 Apr 1939 | James Lewis Rowntree, Sr | Martha Ann Rogers |
| 17 | Yes | | b. 7 Oct 1856 | d. 28 Jul 1922 | James Lewis Rowntree, Sr | Martha Ann Rogers |
| 18 | Yes | | b. 5 Oct 1858 | d. 8 Dec 1888 | James Lewis Rowntree, Sr | Martha Ann Rogers |
| 19 | | | b. 29 Dec 1860 | d. 1952 | James Lewis Rowntree, Sr | Martha Ann Rogers |
| 20 | | | b. 29 Jan 1863 | d. 4 Aug 1935 | James Lewis Rowntree, Sr | Martha Ann Rogers |
| 21 | Yes | | b. 19 Oct 1865 | d. 30 Jan 1957 | James Lewis Rowntree, Sr | Martha Ann Rogers |
| 22 | | | b. 25 Nov 1868 | d. 11 Aug 1937 | James Lewis Rowntree, Sr | Martha Ann Rogers |