The iron-hulled steamer Gertrude was built in Whiteinch, Glasgow, Scotland as Yard No.100 at the Clydeholm yard of Barclay, Curle & Company as an American Civil War blockade runner and launched on 25 November 1862. Along with _her_ sistership Emma, she was built for Thomas Stirling Begbie, a London shipowner and merchant. <sep>, Pronoun: her