Donald Alexander Stewart was born in Dunning, Perthshire, Scotland on 6 July 1876. He was articled to David Smart (1824-1914) of D. & J. Smart in Perth from 1892 to 1895 and remained with him as his assistant until 1907. In 1907 he was taken into partnership by Smart as Smart & Stewart. In 1924 the firm became Smart, Stewart & Mitchell when Robert Matthew Mitchell (1874-1949) joined the practice.
Stewart was elected a Licentiate of the Royal Institute of British Architects (LRIBA) in 1911 and a Fellow of the Royal Institute of British Architects (FRIBA) in 1921. He was also President of the Dundee Institute of Architects.
His address was given as 42, Tay Street, Perth, Perthshire from c.1895 to c.1911; 6, Rosemount Place, Perth, Perthshire in 1911 and 1914; Murrayfield, St Magdalene's Road, Craigie, Perth, Perthshire; and 40 Tay Street, Perth, Perthshire in c.1929 and 1940. He died on 16 January 1940.
Additions and alterations to business premises for J. & D. Gowans, Perth, and Methvon, Simpson, Ltd., Perth; "Ledlanet," Kinross; scheme of decorations at Ruthven House, Perthshire; House of Falkland, stable, offices, additions and alterations (for Lord Ninian Crlchton-Stuart, M.P.. Fifeshire ; new police buildings at Blairgowrie, Dunning, and Bridge of Earn; new laundry and kitchen offices, &c, at Fechney Industrial School, Perth; numerous villa residences; additions and alterations to St. Andrew's Parish Church, Perth, and to Parish Church, Manse, Kinross; Golf Club House for the Auchterarder Golf Club. Additions and alterations to numerous hotels; new buildings at Perth Harbour for John Moncrieff, Ltd., glass works; restoration of stonework at Kinnoull Parish Chuck and at Scones Lethendy House. [Source: Who's Who in Architecture 1914]
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Ledlanst mansion house, stable, offices and garage, 1907; business premises for Messrs. John Dewar and Sons, Ltd., 1907: St. Andrew's parish church, Perth (additions and alterations), 1909; police buildings, Blairgowrie, for the Perth County Council, 1913; the new glass works, 1915-18; rebuilding of the Perth Dyeworks, for Messrs. J. Pullar and Sons, Ltd., 1919-21; housing scheme, for Messrs. Arthur Bell and Sons, Ltd., 1919-20; Meikleour House (additions and alterations), for Lady Violet Astor, 1920; housing scheme, Durnhall Drive, for the Perth Corporation, 1920-21; fire brigade station for the Perth Corporation, 1920-21. Reconstruction of business premises, Perth, for Messrs. J. M'Ewen [McEwen] and Co., 1921, and Messrs. W. Brydson and Co., 1921-23. Printing works, Watergate, Perth, 1921-23; Strowan House, Crieff (additions and alterations), 1923; War memorials at Dunning (Perthshire) and Burscough, Ormskirk (Lancashire), 1919-22: several villa residences In the County and City of Perth; and a number of tennis and cricket pavilions, and boathouses [Source: Who's Who in Architecture 1923]
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For an additional detailed list of architectural projects by Donald Alexander Stewart from 1895 to 1940 see the Dictionary of Scottish Architects
Directory of British Architects 1834-1914. Compiled by Antonia Brodie, et al. Volume 2: L-Z. London; New York: British Architectural Library, Royal Institute of British Architects/Continuum, 2001