William Bayley Marshall (1850-1912)
son of William Prime Marshall
1912 Obituary 
WILLIAM BAYLEY MARSHALL, born at Birmingham on the 17th November, 1850, died at Malvern on the 23rd July, 1912.
In 1882 he joined his father, the late Mr. W. Prime Marshall, in consulting practice, and thenceforward was associated with him in the development of railways in the British Colonies, notably South Africa.
Mr. Marshall was elected an Associate of the Institution on the 6th February, 1877, and was transferred to the class of Members on the 19th April, 1887.
1912 Obituary 
WILLIAM BAYLEY MARSHALL was born at Norwich on 17th November 1850, being the eldest son of the late William Prime Marshall, Secretary of this Institution from 1849 to 1878.
After having been educated privately, he served his apprenticeship with Messrs. Dubs and Co., of Glasgow, locomotive builders, and then went to the works of Messrs. Robert Napier and Sons, from 1873-75.
Two years later he became general manager to the Staffordshire Wheel and Axle Co., and then in 1882 he joined his father, under the title of William P. Marshall and Son, as consulting and inspecting engineers, specializing in inspection of railway rolling stock for the Crown Agents for the Colonies.
He acted as Joint Honorary Secretary for the Jubilee Meeting which was held in Birmingham in 1897, and contributed in no small degree to its success.
In 1906 he retired from active business, through failing health, and went to reside at Malvern, where his death took place on 23rd July 1912, in his sixty-second year.
He became a Member of this Institution in 1877.