I saw a name in France (Domremy-la-Poucelle) spelled "Couchouron." I don't know if Crocheron could have once been spelled that way, but it is a possibility. People told me that "Couchouron" was pronounced "Cu-sher-GHON." The "gh" stands for the French "r." Maria probably died by 1697. See her husband's notes file for more on this.
There are some Cochrans in the New Lots Cemetery in the city of New York, but I don't know if they are related. Here are some names of people interred there: