In 1867 the Hinckley family was sent by President Brigham Young to Millard County to an area a day's journey south of Fillmore and established Cove Fort as a way station for travelers along the "Mormon Coridor". Alonzo was born in the fort. Here they became a large and prominent family in the area. The Fort has recently been returned to the Church and restored as a tourist attraction.
He married Rose May Robison in 1892 in the Manti Temple and the couple had fourteen children.
Elder Hinckley served as a Stake President before he was ordained an Apostle by President Heber J. Grant, he served there but a scant two years when he died in office.
