I will continue to post new informations as they are found. Help from our colleagues is always welcome.

30th Regiment of Foot:
Historical Records of the XXX Regiment. 1887. :
https://babel.hathitrust.org/cgi/pt?id=nyp.33433006971968 Does not appear to be in Ireland in 1798.
Bannatyne. History of the Thirtieth Regiment, now the First Battalion East Lancashire Regiment 1689-1881. 1923, pp.: http://www.lancashireinfantrymuseum.org.uk/histories-of-the-east-lancashire-regiment/

89th Regiment of Foot:
Brinckman. Historical record of the Eighty-Ninth Princess Victoria's Regiment. Chatham. 1888, pp. 3, 167, 171, 173, 186-189:
https://www.naval-military-press.com/product/historical-record-of-the-eighty-ninth-princess-victorias-regiment/
“It was posted to Ireland [end 1795] and, under the command of Lieutenant-Colonel Lord Blayney, it saw action at the Battle of Vinegar Hill in June 1798 during the rebellion. The regiment became known for its perseverance in hunting down Irish rebels earning the nickname "Blayney's Bloodhounds".”