All Sligo newspapers dating from the late 18th century to the present are represented in the collection. Only one – the Sligo Champion – has an unbroken run from the 19th century (1836) to the present. Many of the newspapers are in hard copy bound format, most others are on microfilm.
| Newspaper Holdings | Years | Format |
|---|---|---|
| The Sligo Champion | 1836 – 2018 | Microfilm |
| 1970 – 2011 | Bound | |
| 2013 to Present | Loose | |
| The Sligo Post | 2007 – 2009 | Bound |
| 2010 | Loose | |
| The Sligo Weekender | 1989 – 2018 | Loose |
| 1997 – 2011 | Bound | |
| 2012 – to Present | Loose | |
| The Sligo Independent | 1855 – 1856 | Bound |
| 1856 | Microfilm | |
| 1857 – 1859 | Bound | |
| 1860 – 1870 | Microfilm | |
| 1875 – 1900 | Microfilm | |
| 1901 – 1903 | Bound | |
| 1904 – 1906 | Microfilm | |
| 1907 – 1919 | Bound | |
| 1920 – 1923 | Microfilm | |
| 1924 – 1959 | Bound | |
| Sligo Chronicle | 1850 – 1887 | Bound |
| 1888 | Microfilm | |
| 1888 – 1890 | Bound | |
| 1891 – 1893 | Microfilm | |
| Sligo Guardian | 1849 – 1850 | Microfilm |
| Sligo Observer | 1828 – 1831 | Microfilm |
| Sligo Journal | 1822 and 1825 | Bound |
| 1828 – 1866 | Microfilm | |
| Sligo Star | 1899 – 1902 | Microfilm |
| Sligo Times | 1909 – 1914 | Microfilm |
| Sligo Nationalist | 1913 – 1920 | Microfilm |
| The Connachtman | 1920 – 1922 | Bound |
| 1924 – 1925 | Bound | |
| Western Journal / Sligo Journal | 1979 – 1983 | Bound |
| Ballina Advertiser / Mayo and Sligo Commercial Gazette | 1840 – 1843 | Microfilm |
| Donegal Vindicator and Fermanagh, Leitrim and Sligo Observer | Feb-Dec 1889, 1890-1896 | Microfilm |
| Tyrawly Herald / Mayo and Sligo Intelligenser | 1844, 1847 – 1870 | Microfilm |
| The Irishman / Galway, Mayo, Roscommon, Sligo and Clare Chronicle | 1835 | Microfilm |
| Western Nationalist / Boyle, Roscommon, Mayo, Leitrim and Sligo News | March 1907, 1910 – 1920 | Microfilm |
| Enniskillen Advertiser and Northern Western Counties Gazette | 1864 – 1876 | Microfilm |