I think this is your Daniels death....
Daniel Kerwin, age 51, death registered in Liverpool in 1888.
This matches with Liverpool Workhouse entry....
17 May 1888, Daniel Kirwin, 44, of
Hornby Street, R.C., admitted self, wife at same address, discharged/died 1888....from the Relifious Creed.
Also, admitted 19 Sept 1888, Daniel Kirwin, 44, labourer, from Hornby Street, wife Ann, note says Bronch?
Other children registered at Liverpool, MMN Doyle....prior to marriage in 1878...
Daniel Kirvin, 1867
Patrick Kervin, 1871
William Kervin, 1874
James Kervin, 1876.
Also of interest...
British Army Records
Daniel Kirwan, Collier, b1842, Ballybrahum, Roscommon, Ireland, Private 73 Reg of Foot, attested 18 Aug 1864 at Liverpool, aged 22, found unfit, of bad character, discharged aged 26 at Liverpool in 1871, service number 1120
1871 Worldwide Army Index
Daniel Kerwin, service number 1120, Private 73 Reg at Royal Victoria Hospital, Netley.
Jo
