Mary Fielding Smith Kimball (July 21, 1801 – September 21, 1852) was an early member of the Latter Day Saint movement

Latter Day Saint movement

The Latter Day Saint movement is a group of independent churches tracing their origin to a Christian primitivist movement founded by Joseph Smith, Jr. in the late 1820s. Collectively, these churches have over 14 million members...

, the second wife of LDS Church leader Hyrum Smith

Hyrum Smith

Hyrum Smith was an American religious leader in the Church of Jesus Christ of Latter Day Saints, the original church of the Latter Day Saint movement. He was the older brother of the movement's founder, Joseph Smith, Jr....

 and the mother of Joseph F. Smith

Joseph F. Smith

Joseph Fielding Smith, Sr. was the sixth president of The Church of Jesus Christ of Latter-day Saints...

.

Mary Fielding was born in Bedfordshire, England on July 21, 1801. She was the sixth child of John Fielding and Rachel Ibbotson, who were active in the growing Methodist movement in the area. In 1834, Mary emigrated to join her brother Joseph

Joseph Fielding

Joseph Fielding was an early leader of the Latter Day Saint movement. He served as the second president of the British Mission , coordinating the activities of missionaries in sections of the United Kingdom and parts of Europe. He was the brother of Mary Fielding, the second wife of Hyrum Smith,...

 and her sister Mercy in Toronto, Canada.

The three Fielding siblings were introduced to the newly formed LDS religion in 1836, and were promptly baptized.