Waldoboro Historical Society - http://waldoborohistory.us/
Waldoboro Public Library - http://www.waldoborolibrary.org
Town of Waldoboro - http://waldoboromaine.org/
Forum on Lincoln County, Maine on Genealogy.com - http://genforum.genealogy.com/me/lincoln/
The Maine State Archives are at http://www.state.me.us/sos/arc/
Go to the lower right panel under Online Services and you will find, among others, the Marriage and Death databases, which are most useful.
The Marriage search form is: http://portal.maine.gov/marriage
These are the marriage records of Maine 1/1/1892-12/31/1922. You can search by
surname(s), or town. IE: type in Waldoboro only and get a list of all marriages involving persons of Waldoboro married between 1892-1922. Type in surname as bride or groom and
get a list of all marriages of people with that surname.
Death search form: http://portal.maine.gov/death