Daniel Hagerman was a lawyer and political figure in Upper Canada

Upper Canada

The Province of Upper Canada was a political division in British Canada established in 1791 by the British Empire to govern the central third of the lands in British North America and to accommodate Loyalist refugees from the United States of America after the American Revolution...

.

He was born in Adolphustown Township

Adolphustown, Ontario

Adolphustown is a geographic area located in Greater Napanee, Ontario, Canada, at on the Adolphus Reach of the Bay of Quinte in Lake Ontario. It was founded in 1784 by United Empire Loyalists. The original Loyalist Landing site is now the U.E.L...

 in 1794, the son of Nicholas Hagerman, a United Empire Loyalist. He studied law with his father and practiced law in Kingston

Kingston, Ontario

Kingston, Ontario is a Canadian city located in Eastern Ontario where the St. Lawrence River flows out of Lake Ontario. Originally a First Nations settlement called "Katarowki," , growing European exploration in the 17th Century made it an important trading post...

 and later Bath. He served as quartermaster in the local militia during the War of 1812

War of 1812

The War of 1812 was a military conflict fought between the forces of the United States of America and those of the British Empire. The Americans declared war in 1812 for several reasons, including trade restrictions because of Britain's ongoing war with France, impressment of American merchant...

. He was named registrar in the Surrogate Court of the Midland District in 1814. Hagerman was one of the members of the establishment who argued with Robert Gourlay

Robert Fleming Gourlay

Robert Gourlay was a Scottish-Canadian writer, political reform activist, and agriculturalist.-Biography:...

 when Gourlay held meetings in Kingston. In 1820, he was elected to represent Lennox

Lennox County, Ontario

Lennox County is a historic county in what is now the Canadian province of Ontario.As an upper-tier municipality, the county of Lennox was created on paper in 1792, but has never existed as a discrete municipal entity. From 1792 until 1864, it was part of the United Counties of Frontenac, Lennox...

 & Addington

Addington County, Ontario

Addington County is a historic county in what is now the Canadian province of Ontario.It was named after Henry Addington, 1st Viscount Sidmouth. As an upper-tier municipality, the county of Addington was created on paper in 1792, but has never existed as a discrete municipal entity. From 1792...

 in the Legislative Assembly of Upper Canada

Legislative Assembly of Upper Canada

The Legislative Assembly of Upper Canada was created by the Constitutional Act of 1791. It was the elected legislature for the province of Upper Canada and functioned as the province's lower house in the Parliament of Upper Canada...

. He died at Bath in 1821.

His older brother Christopher

Christopher Alexander Hagerman

Lt.-Col The Hon. Christopher Alexander Hagerman was a Canadian militia officer, politician, and judge.Known as 'Handsome Kit', he was born at the Bay of Quinte, Adolphustown, the son of United Empire Loyalist Major Nicholas Hagerman J.P., and his wife Anne , sister of Judge Alexander Fisher M.P.,...

served as attorney general for Upper Canada.