William Ainslie Foulis (1873-1955)
1873 Born in Edinburgh, son of David and Helen Foulis
1891 Civil engineering apprentice living in Edinburgh with David Foulis 59, a furnishing ironmonger, Helen Foulis 49, David Foulis 25, Maggie D Foulis 23, John A Foulis 21, William A Foulis 17, Violet R Foulis 15, Alexander Foulis 13, James G Foulis 11, Robert Foulis 9
1955 Obituary 
We have learned with regret of the death of Mr. W. A. Foulis, A.M.I.C.E., which occurred recently at the age of eighty-one.
Mr. Foulis was chief assistant engineer of the Tyne Improvement Commission from 1915 to 1936, having joined the engineering staff of the Commission in 1898.
Prior to that he was for four years an assistant resident engineer to the Clyde Nav1gation Trust, being engaged principally during that time on the construction of a new graving dock at Govan.