score:4

Accepted answer
var strlist = new list<string>();
var colist = strlist.select(item => new customobject() {name = item}).tolist();

score:2

edit: removed rubbish class declaration

ilist<string> names = new list<string> { "first name", "second name" };
ilist<sampleobject> myobjects = 
    names.select(x => new sampleobject { name = x }).tolist();

score:3

try the following:

list<customobject> customobjectlist = 
    (from item in stringlist
    select new customobject { name = item, emailaddress = string.empty }).tolist();

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