Henry Trigg (1791–1882) was the Superintendent of Public Works in Western Australia from 1839 to 1851[1] and founder of the Congregational Church in Perth.

1791) and they had seven children, Eliza, Harriet, Emma, Jane, Amelia, Henry and William, prior to him leaving England.

[1] In his role he supervised the construction of a number of jetties, bridges (including the Perth Causeway[7] and Canning Bridge[8]) a number of buildings on Rottnest Island (including the Rottnest Island Light Station), a number of gaols and lock ups in the newly developing towns of Guildford[9] and Bunbury[10] and the building of St George's Anglican church (the precursor to St George's Cathedral).

In 1846, a chapel was constructed in William Street, where for six years, Trigg conducted all the services until, 1852, when the London Missionary Society sent out the Reverend James Leonard to be the first ordained Congregational minister.

Trigg’s firm conviction to Christianity stems from an incident in 1831, a story he related from the pulpit, he was recovering from a bout of rum drinking, which was quite common in Perth at the time, when an apparition appeared to him while he was on the precipitous roof of the unfinished commissariat building’s where the current Supreme Court now stands, it commanded him to "Throw down the bottle and never pick it up again" From that moment on he was a changed man.