Henry and Amelia married at Canterbury in 1813 in England. His occupation has been given as builder, carpenter, and owner of barges on the river Thames. On 1 June 1829 Henry farewelled his wife and seven children to leave Portsmouth on board the 'Lotus' as a free settler arriving at Fremantle October 1829. Henry wrote seven letters (in the Battye Library) to his wife Amelia detailing early life in the settlement and giving advice on the impending voyage of his family. Had Fremantle Lot 22 in 1833 and Lot 52 in 1832. Perth Lots F19, G4, L14 in 1829 and G5 in 1834. Amelia arrived on 28 December 1831 in the 'Egyptian' under Captain Lilburn. The first Census ((1832) gives details of the Trigg family. Henry Trigg was appointed Superintendent of Public Works by Governor Stirling in 1838. He built a single room dwelling on land between Bazaar Street and St George's Terrace in time for his family's arrival. He supervised many early public buildings e.g.. The Barracks, the gaol and the causeway across the Swan River as well as the foundation stone for the first lighthouse on Rottnest Island. He had extensive land holdings in the Swan District, Murray River and Large Lakes. Henry was actively involved in the Anglican and Wesleyan churches in the early days. He founded the first Congregational church in a chapel on William Street in 1846 and his wife Amelia Trigg, supported him in many associated activities. Six of Henry's and Amelia's children remained in the colony. Daughters Emma and Jane left the Colony in the 1840's. Amelia died 7 April 1873 at the age of 82 years and Henry aged 90, died 15 February 1882 at Perth. Both are buried in the East Perth Cemetery. Henry Trigg is commemorated with a plaque in St George's Terrace, near Sherwood Court, bearing the year 1851.Two areas in Perth carry his name - Trigg Beach and Trigg's Island. A stained glass window in Trinity Church celebrates his contribution to the church.