Irish Newspaper Archives is a subscription site which is available to use for no charge within the State Library of Western Australia building and from home for SLWA members. It has more than 6 million pages in over 500,000 issues of newspapers from all over Ireland with the earliest dating from 1763.
http://catalogue.slwa.wa.gov.au/record=e1001672~S2
19th Century British Library Newspapers is the old name for British Library Newspapers Parts I-V. This is a subscription site which is available to use for no charge within the State Library of Western Australia (SLWA) building and from home for SLWA members. It includes newspaper titles 1800-1900 from all over the UK. Select parts 1 -5 from the "content set" on the search page to search across all databases.
http://catalogue.slwa.wa.gov.au/record=e1001959~S2
Searchable archive of the Belfast Gazette which is an official newspaper of record publishing legal and government notices. Useful for obituaries, military appointments and awards, insolvency records etc.
https://www.thegazette.co.uk