I have an Edward Leonard and his wife Catherine Hanley who came over to Scotland about 1848 - 50. They were from Co Donegal but as yet have no idea which area. On Edward's Scottish death certificate from 1873 he was aged 63 and his parents were given as James Leonard, flour miller and Agnes Kelly or Kirby. I presume that James and Agnes died in Ireland.
Edward and Catherine had 5 children that I know of. James born about 1828, Peter/Patrick born about 1830, Agnes born about 1835, Margaret born about 1840 (all born Ireland) and Jane born 1851 Glasgow, Scotland.
Agnes went to "America" as a young woman, don't know if she stayed there or came back. The others all died in Scotland.