You have taken on a task!
My Waddells thus far are primarily from the Bo'ness / Polmont / Falkirk areas and were employeed either at Carron Iron Works or the railway (presumably Kinniel).
In the early 1900's they branched out to Canada / Japan / Australia and United States.
My details are sketchy but if I can help with anything let me know. You can email me directly.