Crossed with Maidenstone, but I’d written it so left it  

1851. Indexed as Swine on Ancestry 
Joseph Septimus Irvine 37. Painter.  Lancaster
Ann Wife 36, Blackpool
Thomas Son 12 , Preston 
Mary 9 Preston
Agnes 1 Blackpool 
1861. It’s hard to make it Irvine, but rest of details match.
Joseph Brine   46 House painter.  B Lancaster
Ann Brine   46. B Blackpool
Agness Brine   11. B Preston.  (And rest of children) 
John Brine   7. 
George Brine   5
James Brine   3
Robert Brine   9
Births with Bickerstaff mother seem to match including
   IRVINE, JOHN       BICKERSTAFFE  
GRO Reference: 1853  S Quarter in FYLDE  Volume 08E  Page 481
   IRVINE, ROBERT  
CARR     BICKERSTAFF  
GRO Reference: 1852  M Quarter in FYLDE  Volume 08E  Page 488 
I found a previous marriage of Joseph Septimus to Thomas’s mother also Ann, but I’ve lost it for the moment