| Orr's Mill at Milltown, near Benburb - a general history | Kane, James | Article in Journal | | 2017 |
| Orrs of Keely and Millburne | Gilmore, George | Article in Journal | | 2015 |
| Protection, inward investment and the early Irish cotton industry : the experience of William and John Orr | Foster, John,Nisbet, Stuart | Article in Journal | | 2008 |
| Remembering all the Orrs : the story of the Orr families of Antrim and their involvement in the 1798 rebellion | Foy, R. H. | Monograph or Collective Volume | Ulster Historical Foundation | 1999 |
| The Corrs of Durham | Corr, Edmond A. | Article in Journal | | 2019 |
| The Orr family of Stillorgan | White, Brian | Article in Journal | | 2008 |