Signedon index arm: Capt / Alexander Caldwell / 1750
Historical AttributesAccording to the Dictionary of National Biography, Captain Alexander Caldwell was the fifth and youngest son of Sir John Caldwell, second baronet, of Castle Caldwell, county Fermanagh, Ireland.
A note in the file from past curator Ebenezer Gay says that Caldwell was a Philadelphia shipmaster; this could not be confirmed.