think the 1851 census confirms Margt wdw of Robt Gill junr as sister of Daniel Kermeen of Birrag as the Margt Kermeen Margt Gill was sharing with is now noted as mother of Daniel - Margt Gill is however dead bur Mau 18430929 age 33 (as als Kermeen) so she is def not the Margt Gill of Liverpool) but there is it seems a decree in 1843 which may be worth looking at