Deakin stood for the largely rural seat of West Bourke in the Victorian Legislative Assembly in February 1879, as a supporter of Legislative Council reform, protection to encourage manufacturing and the introduction of a land tax to break up the big agricultural estates, and won by 79 votes.
Due to a number of voters being disenfranchised by a shortage of voting papers, he used his maiden speech to announce his resignation; he lost the subsequent by-election by 15 votes, narrowly lost the seat in the February 1880 general election, but won it in yet another early general election in July 1880.
The radical Premier, Graham Berry, offered him the position of Attorney-General in August, but Deakin turned him down.

In 1882, Deakin married Elizabeth Martha Anne ("Pattie") Browne, daughter of a well-known spiritualist.
They lived with Deakin's parents until 1887, when they moved to "Llanarth", in Walsh Street, South Yarra.
They had three daughters, Ivy (b. 1883), Stella (b. 1886), and Vera (b. 1891).

Deakin became Commissioner for Public Works and Water Supply in 1883, and the following year became Solicitor-General and Minister of Public Works.
In 1885 Deakin secured the passage of the colony's pioneering Factories and Shops Act, enforcing regulation of employment conditions and hours of work.
In December 1884 he went to the United States to investigate irrigation, and presented a report in June 1885, Irrigation in Western America.
Percival Serle described this report as "a remarkable piece of accurate observation, and was immediately reprinted by the United States government".
In June 1886, he introduced legislation to nationalise water rights and provide state aid for irrigation works that helped establish irrigation in Australia.

In 1885, Deakin became Chief Secretary and Commissioner for Water Supply and from 1890 Minister for Health and, briefly, Solicitor-General.
In 1887 he led Victoria's delegation to the Imperial Conference in London, where he argued forcibly for reduced colonial payments for the defence provided by the British Navy and for improved consultation in relation to the New Hebrides.
In 1889, he became the member for the Melbourne seat of Essendon and Flemington.

The government was brought down in 1890, over its use of the militia to protect non-union labour during the maritime strike.
In addition, Deakin lost his fortune and his father's fortune in the property crash of 1893, and had to return to the bar to restore his finances.
In 1892, he unsuccessfully defended the mass murderer Frederick Bailey Deeming and assisted the defence in the 1893–94 libel trial of David Syme.
Deakin stood for the largely rural seat of West Bourke in the Victorian Legislative Assembly in February 1879, as a supporter of Legislative Council reform, protection to encourage manufacturing and the introduction of a land tax to break up the big agricultural estates, and won by 79 votes. Due to a number of voters being disenfranchised by a shortage of voting papers, he used his maiden speech to announce his resignation; he lost the subsequent by-election by 15 votes, narrowly lost the seat in the February 1880 general election, but won it in yet another early general election in July 1880. The radical Premier, Graham Berry, offered him the position of Attorney-General in August, but Deakin turned him down.
In 1882, Deakin married Elizabeth Martha Anne ("Pattie") Browne, daughter of a well-known spiritualist. They lived with Deakin's parents until 1887, when they moved to "Llanarth", in Walsh Street, South Yarra. They had three daughters, Ivy (b. 1883), Stella (b. 1886), and Vera (b. 1891).
Deakin became Commissioner for Public Works and Water Supply in 1883, and the following year became Solicitor-General and Minister of Public Works. In 1885 Deakin secured the passage of the colony's pioneering Factories and Shops Act, enforcing regulation of employment conditions and hours of work. In December 1884 he went to the United States to investigate irrigation, and presented a report in June 1885, Irrigation in Western America. Percival Serle described this report as "a remarkable piece of accurate observation, and was immediately reprinted by the United States government". In June 1886, he introduced legislation to nationalise water rights and provide state aid for irrigation works that helped establish irrigation in Australia.
In 1885, Deakin became Chief Secretary and Commissioner for Water Supply and from 1890 Minister for Health and, briefly, Solicitor-General. In 1887 he led Victoria's delegation to the Imperial Conference in London, where he argued forcibly for reduced colonial payments for the defence provided by the British Navy and for improved consultation in relation to the New Hebrides. In 1889, he became the member for the Melbourne seat of Essendon and Flemington.
The government was brought down in 1890, over its use of the militia to protect non-union labour during the maritime strike. In addition, Deakin lost his fortune and his father's fortune in the property crash of 1893, and had to return to the bar to restore his finances. In 1892, he unsuccessfully defended the mass murderer Frederick Bailey Deeming and assisted the defence in the 1893–94 libel trial of David Syme.
Alfred Deakin