Originally this work was undertaken by the Hon. Secretary. A separate position was created in 1915.
| 1891 (Ser. 1, 1-3; Ser. 2, ) | Hon. Sec.: John O’Mahony |
| 1892 | Hon. Sec.: John O’Mahony/ M. Allen |
| 1893-94 | Hon. Sec.: John P. Dalton/ John O’Mahony |
| 1895-1903 | Hon. Sec.: Denham Franklin/ John O’Mahony |
| 1904-10 | Hon. Sec.: James Coleman |
| 1911-15 | Hon. Sec.: James Coleman/Dr Philip Lee |
| 1915-16 | James Coleman |
| 1943-46 | Patrick J. Hartnett |
| 1947-64 | Prof. M. J. O’Kelly |
| 1965-79 | Prof. John A. Murphy |
| 1980 | Prof. M. J. O’Kelly |
| 1981-2000 | Dr Diarmuid Ó Murchadha (19 vols) |
| 2001-2004 | Dr Cornelius Buttimer (4 vols) |
| 2005 | Dr Kevin Murray |
| 2006-2012 | Margaret Lantry (7 vols) |
| 2013-2016 | Dr Griffin Murray (4 vols) |
| 2017- | Dr John Herbert |
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