Julius Marshuetz Mayer (September 5, 1865 New York City - November 20, 1925 New York City) was an American lawyer and politician.
He attended the College of the City of New York and Columbia Law School before beginning a career in private practice in New York. During his years as a lawyer, Mayer also served as counsel to various state agencies. In January 1902, he was appointed to the Court of Special Sessions by Mayor Seth Low to fill a vacancy, and was re-appointed to a full term of ten years in July 1903, but he resigned as of December 30, 1903 to resume the practice of law.
He was New York State Attorney General from 1905 to 1906, elected in 1904, but defeated for re-election in 1906. He was a delegate to the 1904 and 1908 Republican National Conventions.
In 1912, President William Howard Taft appointed Mayer a judge of the United States District Court for the Southern District of New York. In 1921, President Warren G. Harding promoted him to serve as an appellate judge on the United States Court of Appeals for the Second Circuit. Mayer served on the Second Circuit for only three years, and resigned on July 31, 1924, to return to private practice, but died the following year.
| Legal offices | ||
|---|---|---|
| Preceded by John Cunneen |
New York State Attorney General 1905 – 1906 |
Succeeded by William S. Jackson |
| Preceded by George Bethune Adams |
Judge of the U.S. District Court for the Southern District of New York 1912 – 1921 |
Succeeded by William Bondy |
| Preceded by Henry Galbraith Ward |
Judge of the U.S. Court of Appeals for the Second Circuit 1921 – 1924 |
Succeeded by Learned Hand |
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