Clydesdale, Marsden Park, Heritage homestead and farm in Marsden Park, Australia

Clydesdale is a homestead and working farm in Marsden Park spanning roughly 865 acres with Georgian design features. The two-storey brick building displays a hipped slate roof and three-sided verandah, which frame the front entrance and create covered outdoor space.

Clydesdale began as a 700-acre grant to India trader Walter Lang in September 1813, known as Lang's Farm. Convict clerk Charles Tompson bought it in 1819 and built a Georgian brick homestead by 1827. The Marist Fathers ran a seminary for South Sea Island students from 1859 to about 1870, and the site later served as a wartime hospital from 1942 to 1944.

The name Clydesdale was used for the estate by the 1850s, while the original grant was called Lang's Farm and the northern half Echovale. From 1859 the Marist Fathers ran a seminary here, training South Sea Island students, the first six arriving late in 1861, mainly from Wallis and Futuna, Samoa and Tonga. The Hawkesbury flooded the property 16 times during their ownership.

Clydesdale stands at 1270 Richmond Road, Marsden Park, in Sydney's outer west; Richmond Road was an unformed track before improvements in 1816 and 1822. The homestead sits near a tributary of South Creek, and the Hawkesbury flooded the property 16 times during the Marist years, so low ground can be wet. The site is a heritage-listed private property, not an open public attraction.

Charles Tompson jnr dedicated "Wild Notes, from the Lyre of a Native Minstrel", the first published book of Australian poetry, at Clydesdale on 1 March 1826. The Tompson family lived there with nine children, and the 1828 census recorded an overseer, teacher, cook, shoemaker, stableman, shepherds and a carpenter on the estate.