Brigid:
Kinnegad is a town in Co. Westmeath not far from the Co. Meath border https://en.wikipedia.org/wiki/Kinnegad
I checked the 1901 census for Kinnegad and found two Geraghty families. See links below. Let us know if you need more assistance.
Roger McDonnell
http://www.census.nationalarchives.ie/pages/1901/Westmeath/Kinnegad/Kinnegad/1781718/
http://www.census.nationalarchives.ie/pages/1901/Westmeath/Kinnegad/Kinnegad/1781759/