A local leader of The Church of Jesus Christ of Latter-day Saints in the 19th century, and the founder of Nephi, Utah.
Heywood was born in Grafton, Worcester County, Massachusetts. In 1839 he moved to Quincy, Illinois where he was a merchant. It was hear that he first met the Mormons, and latter joined The LDS Church on a visit to Nauvoo. Heywood was baptized by Orson Hyde. While still in Nauvoo Heywood was called as a bishop.
In 1846 when the Latter-day Saints left Nauvoo, Heywood was appointed a trustee to sell property of the LDS Church along with Almon Babbitt and John S. Fullmer.
Later in Utah Heywood served as the first bishop of the 17th Ward in Salt Lake City. Heywood was the first US Marshall for the territory of Utah.
In addition to supervising the settlement of Nephi, Utah he accompanied Orson Hyde in setting up the first LDS settlement in the Carson Valley of Nevada. From 1861 Heywood lived primarily in Panguitch. He served as an LDS patriarch in that area. Heywood's house in Salt Lake City, which was on the block where the Conference Center is today, was still identified with him after his move to southern Utah, and it was John Morgan's first residence on coming to Utah

• Married: 25 JUN 1841 in Beloit, Rock, WI

1. FRANK TALCOT HEYWOOD b: 20 JUN 1842 in Boston, Suffolk, MA
2. IDA HEYWOOD b: ABT 1846 in Boston, Suffolk, MA
3. ALICE GRAFTON HEYWOOD b: 1848 in Beloit, Rock, WI
4. SARAH IDA HEYWOOD b: 1851 in Salt Lake City, Salt Lake, UT
5. BENJAMIN BLODGETT HEYWOOD b: 16 SEP 1854 in Salt Lake City, Salt Lake, UT
6. JOSEPH LELAND HEYWOOD b: 4 SEP 1858 in Salt Lake City, Salt Lake, UT
7. LUCRETIA LELAND HEYWOOD b: 16 JUN 1866 in Salt Lake City, Salt Lake, UT

• Married: 16 JAN 1851 in Salt Lake City, Salt Lake, UT

1. JOSEPH NEAL HEYWOOD b: 8 NOV 1851 in Nephi, Juab, UT
2. SAREPTA HEYWOOD b: 8 OCT 1853 in Nephi, Juab, UT

• Married: 31 OCT 1855 in Salt Lake City, Salt Lake, UT

1. OMER BADIGEE HEYWOOD
2. JAMES BELL HEYWOOD b: 24 JAN 1858 in Salt Lake City, Salt Lake, UT
3. MARY HANNAH HEYWOOD b: 20 MAY 1861 in Salt Lake City, Salt Lake, UT
4. CHARLES ST-GEORGE HEYWOOD b: 29 OCT 1863 in New Harmony, Washington, UT
5. HEBER KIMBALL HEYWOOD b: 6 MAR 1866 in New Harmony, Washington, UT
6. WILLARD RICHARD HEYWOOD b: 6 MAR 1866 in New Harmony, Washington, UT
7. JOSEPH EDWARD HEYWOOD b: 8 AUG 1868 in New Harmony, Washington, UT
8. DAVID LELAND HEYWOOD b: 13 APR 1871 in New Harmony, Washington, UT
9. MARTHA ELIZABETH HEYWOOD b: 22 MAR 1873 in Panguitch, Garfield, UT
10. AGNES SAREPTA HEYWOOD b: 29 NOV 1875 in Panguitch, Garfield, UT
11. JOHN LEMON HEYWOOD b: 13 MAY 1878 in Panguitch, Garfield, UT
12. JESSIE BELL HEYWOOD b: 22 NOV 1882 in Panguitch, Garfield, UT