The Forty-Eighth Wisconsin Legislature convened from January 9, 1907, to July 16, 1907, in regular session.

[1] During this term, legislative business was largely held in the north wing of the Wisconsin State Capitol, which was the only part of the capitol to remain intact after the 1904 fire.

[2] This session saw the first ever African American member of the Wisconsin Legislature—Lucian H. Palmer of Milwaukee.

Senators representing odd-numbered districts were newly elected for this session and were serving the first two years of a four-year term.

[1] The governor of Wisconsin during this entire term was Republican James O. Davidson, of Crawford County, serving his first full two-year term, having won election in the 1906 Wisconsin gubernatorial election.