Ammi Giddings was an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 lawyer and politician from Connecticut

Connecticut

Connecticut is a state in the New England region of the northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, and the state of New York to the west and the south .Connecticut is named for the Connecticut River, the major U.S. river that approximately...

, who was twice elected to the Connecticut Senate

Connecticut Senate

The Connecticut State Senate is the upper house of the Connecticut General Assembly, the state legislature of the U.S. state of Connecticut. The state senate comprises 36 members, each representing a district with around 94,600 inhabitants. Senators are elected to two-year terms without term limits...

. He was appointed to the Montana Territorial Supreme Court

Montana Supreme Court

The Montana Supreme Court is the highest court of the Montana state court system in the U.S. state of Montana. It is established and its powers defined by Article VII of the 1972 Montana Constitution...

, but never served.

Giddings was born in Sherman, Connecticut

Sherman, Connecticut

Sherman is the northernmost and least populous town of Fairfield County, Connecticut, United States. The population was 3,581 at the 2010 census. The town is named for New Haven's Founding Father, Roger Sherman....

. He graduated from Yale Law School

Yale Law School

Yale Law School, or YLS, is the law school of Yale University in New Haven, Connecticut, United States. Established in 1824, it offers the J.D., LL.M., J.S.D. and M.S.L. degrees in law. It also hosts visiting scholars, visiting researchers and a number of legal research centers...

, and was admitted to the bar

Admission to the bar

An admission to practice law, also called admission to the bar, is acquired when a lawyer receives a license to practice law. Becoming a lawyer is a widely varied process around the world. Common to all jurisdictions are requirements of age and competence; some jurisdictions also require citizenship...

 in 1849. That same year, he married Augusta Bays of Wethersfield

Wethersfield, Connecticut

Wethersfield is a town in Hartford County, Connecticut, United States. Many records from colonial times spell the name Weathersfield, while Native Americans called it Pyquag...

. He subsequently practiced law

Practice of law

In its most general sense, the practice of law involves giving legal advice to clients, drafting legal documents for clients, and representing clients in legal negotiations and court proceedings such as lawsuits, and is applied to the professional services of a lawyer or attorney at law, barrister,...

 at Plymouth

Plymouth, Connecticut

Plymouth is a town in Litchfield County, Connecticut, United States. It is named after Plymouth, Devon, England. The population was 11,634 at the 2000 census. The Town of Plymouth includes the villages of Terryville and Pequabuck.-Geography:...

.

In 1857, Giddings was elected to the Connecticut Senate from the state’s 16th District, and served as the President Pro Tempore

Pro tempore

Pro tempore , abbreviated pro tem or p.t., is a Latin phrase which best translates to "for the time being" in English. This phrase is often used to describe a person who acts as a locum tenens in the absence of a superior, such as the President pro tempore of the United States Senate.Legislative...

. He was elected again in 1864. On June 15, 1864, President Abraham Lincoln

Abraham Lincoln

Abraham Lincoln was the 16th President of the United States, serving from March 1861 until his assassination in April 1865. He successfully led his country through a great constitutional, military and moral crisis – the American Civil War – preserving the Union, while ending slavery, and...

 appointed him as an Associate Justice of the Supreme Court for the newly formed Montana Territory

Montana Territory

The Territory of Montana was an organized incorporated territory of the United States that existed from May 28, 1864, until November 8, 1889, when it was admitted to the Union as the State of Montana.-History:...

; the United States Senate

United States Senate

The United States Senate is the upper house of the bicameral legislature of the United States, and together with the United States House of Representatives comprises the United States Congress. The composition and powers of the Senate are established in Article One of the U.S. Constitution. Each...

 unanimously confirmed him on June 22. Giddings resigned immediately due to poor health and never served on the court. However, his commission remained in force until he was replaced in 1865, and histories of the Montana Supreme Court still list him as one of the first justices of that court.

In 1866, Giddings moved to Kalamazoo, Michigan

Kalamazoo, Michigan

The area on which the modern city stands was once home to Native Americans of the Hopewell culture, who migrated into the area sometime before the first millennium. Evidence of their early residency remains in the form of a small mound in downtown's Bronson Park. The Hopewell civilization began to...

. He returned to Connecticut in 1872, and died at Sherman in 1882.