Lheakerroo (modern spelling)
According to George Broderick's 2006 place-names book, there is a Lheakerroo in Lonan. OS Grid Ref SC4279 (which is the area around Lonan Old Church) see:
www.british-history.ac.uk/
mapsheet.aspx?compid=55123&sheetid=4629&ox=1345&oy=2692&zm=1&czm=1&x=502&y=334
1798 spelling Lhie Kerroo
1957 spelling Lhekerroo
Translation: half quarterland