Jesse Carter Little was a Mormon pioneer

Mormon Pioneer

The Mormon pioneers were members of The Church of Jesus Christ of Latter-day Saints, also known as Latter-day Saints, who migrated across the United States from the Midwest to the Salt Lake Valley in what is today the U.S. state of Utah...

 and a member of the presiding bishopric

Presiding Bishop (LDS Church)

The Presiding Bishop of The Church of Jesus Christ of Latter-day Saints is a priesthood calling with church-wide authority. The Presiding Bishop is the highest leadership position within the church's Aaronic priesthood.-Presiding Bishopric:...

 of The Church of Jesus Christ of Latter-day Saints (LDS Church).

Little was born in Belmont

Belmont, Maine

Belmont is a town in Waldo County, Maine, United States. The population was 821 at the 2000 census. It was originally known as Green Plantation...

, Maine

Maine

Maine is a state in the New England region of the northeastern United States, bordered by the Atlantic Ocean to the east and south, New Hampshire to the west, and the Canadian provinces of Quebec to the northwest and New Brunswick to the northeast. Maine is both the northernmost and easternmost...

. In 1845, Little was taught by Latter Day Saint missionary

Mormon missionary

The Church of Jesus Christ of Latter-day Saints is one of the most active modern practitioners of missionary work, with over 52,000 full-time missionaries worldwide, as of the end of 2010...

 and apostle Parley P. Pratt

Parley P. Pratt

Parley Parker Pratt, Sr. was a leader in the Latter Day Saint movement and an original member of Quorum of the Twelve Apostles from 1835 until his murder in 1857. He served in the Quorum with his younger brother, Orson Pratt...

; he was baptized

Baptism

In Christianity, baptism is for the majority the rite of admission , almost invariably with the use of water, into the Christian Church generally and also membership of a particular church tradition...

 into the LDS Church and in 1846 was made a president

Mission president

Mission president is a priesthood leadership position in The Church of Jesus Christ of Latter-day Saints . A mission president presides over a mission and the missionaries serving in the mission...

 of the church's missions

Mission (LDS Church)

A mission of The Church of Jesus Christ of Latter-day Saints is a geographical administrative area to which church missionaries are assigned. Almost all areas of the world are within the boundaries of an LDS Church mission, whether or not Mormon missionaries live or proselytize in the area...

 in the eastern United States

United States

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

.

In 1846, Little travelled from Washington, D.C.

Washington, D.C.

Washington, D.C., formally the District of Columbia and commonly referred to as Washington, "the District", or simply D.C., is the capital of the United States. On July 16, 1790, the United States Congress approved the creation of a permanent national capital as permitted by the U.S. Constitution....

 to Nauvoo

Nauvoo, Illinois

Nauvoo is a small city in Hancock County, Illinois, United States. Although the population was just 1,063 at the 2000 census, and despite being difficult to reach due to its location in a remote corner of Illinois, Nauvoo attracts large numbers of visitors for its historic importance and its...

, Illinois

Illinois

Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...

 with a message from United States President James K. Polk

James K. Polk

James Knox Polk was the 11th President of the United States . Polk was born in Mecklenburg County, North Carolina. He later lived in and represented Tennessee. A Democrat, Polk served as the 17th Speaker of the House of Representatives and the 12th Governor of Tennessee...

 requesting that the Latter Day Saints raise a battalion

Battalion

A battalion is a military unit of around 300–1,200 soldiers usually consisting of between two and seven companies and typically commanded by either a Lieutenant Colonel or a Colonel...

 for the war against Mexico

Mexico

The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

.