James Hoban Jr. (1808 – January 19, 1846) was an American lawyer who served as United States Attorney for the District of Columbia in the 1840s.

His father was an Irish-American architect who designed the White House.

[3][4] At the time of his death, Hoban was serving as the United States Attorney for the District of Columbia.

[1] Hoban married Marion Blackwell French (1813–1890) on November 22, 1831, in Washington, D.C.

They had six children, Helen, Anna, Marion, James, Frederick and Lawrence.