I think I have found Israel Reed, but I don't know for sure. Too tired tonight to sort it out, so I'm going to copy the links here and I'll come back to it later.
1850 Census:
Married and living in New York
http://search.ancestry.com/cgi-bin/sse.dll?db=1850usfedcenancestry&indiv=try&h=11735858
1860 Census
Living in Wisconsin, born in New York. Last name spelled "Read." But children's names and ages match
https://familysearch.org/ark:/61903/1:1:MWMG-PVY
Find a Grave in Iowa
https://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=62536870&ref=acom
Wife Ann's headstone in Tama Iowa
https://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=62536899
1870 Census
Both Israel and Ann are dead. Found James living in Tama
http://search.ancestry.com/cgi-bin/sse.dll?indiv=1&db=1870usfedcen&h=35709680&tid=&pid=&usePUB=true&usePUBJs=true&rhSource=8054
Son James married in Iowa: but, marriage record identifies his father's name as Jared not Israel.
http://search.ancestry.com/cgi-bin/sse.dll?indiv=1&db=IAMarriageRec&h=3348698&tid=&pid=&usePUB=true&usePUBJs=true&rhSource=6742
