In 1887, John Bartholomew's Gazetteer of the British Isles described Innerwick like this:
Innerwick, coast par. and vil. with ry. sta., E. Haddingtonshire, 13,157 ac., pop. 777; P.O.; the sta. is 1¼ mile E. of the vil. and 4½ miles SE. of Dunbar; 1 mile E. of vil., on the edge of a precipitous glen, are the rums of Innerwick Castle, burned by the Duke of Somerset, 1548.
A Vision of Britain through Time includes a large library of local statistics for administrative units. For the best overall sense of how the area containing Innerwick has changed, please see our redistricted information for the modern district of East Lothian. More detailed statistical data are available under Units and statistics, which includes both administrative units covering Innerwick and units named after it.
GB Historical GIS / University of Portsmouth, History of Innerwick in East Lothian | Map and description, A Vision of Britain through Time.
Date accessed: 29th March 2015
Click here for more detailed advice on finding places within A Vision of Britain through Time, and maybe some references to other places called "Innerwick".