hello rory i have 2 sets of ggreat grandparents with the name keane. 1st edward keane b1840 mary keane b1848 ms keane dont know where they were born or parents names they were living in mullaghroe co mayo on the 1901 census.as far as i know they had 10 children 1 of them john b 1880 married here in scotland 1903 this was my great grandfather.
2nd stephen keane b1841 rose reilly b 1851 they married in 1868 in bunawillan belmullet co mayo they were staying in elly co mayo in 1901 they had 3 children 1 child mary b 1878 who married the first john in scotland in 1903
i dont know if there is any connection but is worth a try,as i dont know where the keanes come from
hope to here from you one way or another . best wishes elaine.