Seeking information on Sheehan Family

Hello,

Seeking information on:

Michael Sheehan (b. 1815? d. 1901, Scott county, cedar lake Minnesota)

Bridget Sheehan (b. 1819 d. 1881, Scott county, cedar lake, Minnesota)

We know they are from County Clare as that is written on their headstone. We believe the were in Vermont, USA from at least 1854 to 1860. They might have moved to Minnesota with other families from county clare. Cleary's, Doherty's, and Casey's. Some old documents say they might have all been from the same area in Ireland, but it doesn't say where in Ireland.

Thank you for any information you can provide. 

Jayme Sheehan