Could it be Zamora, Michoacán? 

http://images.google.com/imgres?imgurl=http://www.travelamap.com/mexico/michoacan.gif&imgrefurl=http://www.travelamap.com/mexico/michoacan.htm&h=360&w=490&sz=69&tbnid=WXREAccOoCQJ:&tbnh=93&tbnw=127&hl=en&ei=w7T4Qq6jKZyaaIfJnZ8L&sig2=U7X-f48YUmMGXxUe5V8RFw&start=1&prev=/images%3Fq%3Dmichoacan%2Bmap%26svnum%3D50%26hl%3Den%26lr%3D%26newwindow%3D1%26safe%3Doff%26rls%3DGGLG,GGLG:2005-32,GGLG:en


--- In ranchos@yahoogroups.com, "Erlinda Castanon-Long"
<longsjourney@y...> wrote:
> I'm working on records from Zapotlan el Grande/Ciudad Gusman Jalisco 
> and am finding many people from Samora/Zamora and can't find it on the 
> map of Jalisco. Does anyone know if this town is in Jalisco or a 
> neighboring state?  The time period is around 1750.
> thanks for any help, Linda from Wa.