Allanshaw was a 1,589 ton, iron sailing ship with a length of , beam of  and draught of . She was built by William Simons & Company of Renfrew for the J.G. Potter & Company of Liverpool and launched on 29 August 1874.
Allanshaw was a 1,589-ton iron sailing ship with dimensions of , beam of  and draught of . She was constructed by William Simons & Company of Renfrew for the J.G. Potter & Company of Liverpool and launched on 29 August 1874.