Lighthouses and Lightships in U.S. States, and Lighthouses in U.S. Commonwealths and Canadian Provinces
The following USA states have both historical and 2004 light list information (some lighthouses have been fully researched):
The following USA states have historical light list information (all lighthouses have been fully researched):
The following USA commonwealths have historical light list information (all lighthouses have been fully researched):
| Puerto Rico |
| Virgin Islands |
The following only have 2004 light list information (no lighthouses have been fully researched):
| Illinois | Ohio |
| Indiana | Vermont |
| Michigan | Wisconsin |
| Minnesota |
The following USA commonwealths and Canadian provinces only have 2004 light list information:
| British Columbia | Nova Scotia |
| Manitoba | Ontario |
| Newfoundland/Labrador | Prince Edward Island |
| New Brunswick | Quebec |