| George William Rankinbetween April 1869 and June 1869 | |
| Ada Maria Margaret Rankin21 August 1870 | |
| William Erskine Rankinbetween January 1874 and March 1874 | |
| Eva Isabella Rankinbetween January 1875 and March 1875 | |
| Gower McNeill Rankinbetween April 1876 and June 1876 | |
| Margaret Agatha Rankinbetween July 1877 and September 1877 | |
| Douglas Rankinbetween October 1878 and December 1878 | |
| Howard Rankinbetween January 1880 and March 1880 | |
| Stanley Stuart Rankinbetween July 1881 and September 1881 | |
| Bruce Carlyle Rankinbetween July 1881 and September 1881 | |
| Oswald Herdman Rankinbetween January 1883 and March 1883 | |
| Mabel Winifred Rankinbetween January 1886 and March 1886 | |
| Blanche Drummond Rankinbetween July 1888 and September 1888 | |