Some of these people in 1891...
1891 census
ref: piece 3814 e.d. 3 folio 41
1ct3h Hawley Croft
(Sheffield West)
Ann McDERMOTT Head Wid 60 Ireland      
Bernard McDERMOTT Son Unm 19 miner coal YKS Sheffield
Patrick CONNOLLY Boarder Unm 36 miner coal YKS Sheffield
1891 census
ref: piece 3814 e.d. 3 folio 41
21 Hawley Croft
(Sheffield West)
James McDERMOTT   Head Marr 24 miner coal YKS Sheffield   
Elizabeth McDERMOTT Wife Marr 23 cutler YKS Sheffield   
Ellen McDERMOTT Dau 2 YKS Sheffield   
Mary E McDERMOTT Dau 3w YKS Sheffield
Again, the ages are all over the place - Ann has aged 20 years since 1881  

There are a number of McDERMOTT burials in St Michaels' RC Cemetery in the Rivelin Valley (Sheffield). The burial records can now be searched at:
http://sheff-indexers.thewholeshebang.org/BurialIndex.html.
Hugh  
