Background
Teasdale was born in London, England.
Teasdale was born in London, England.
In 1857, Teasdale become a full-time church missionary in England and Scotland. In 1859, he became the supervisor of the missionaries Scotland. In 1868-1869, he returned to England as a missionary to help British Latter-day Saints migrate to Utah.
In 1875, he served a mission to Tennessee, North Carolina and Virginia.
He became president of the church"s Juab Stake. Teasdale was ordained an apostle on 16 October 1882, by church president John Taylor.
Future church president, Heber J. Grant, was ordained an apostle on the same date. Teasdale immediately served a six-month mission to the Indian Territory.
As an apostle, Teasdale served another mission for the church from 1887 to 1890 and he preached in the United Kingdom, France, Switzerland, Germany, Denmark, Sweden, Norway, and Ireland.
In 1891, Teasdale became president of the church"s Mexican Mission. Teasdale died in Salt Lake City at age 75 of an intestinal obstruction. He was buried at Salt Lake City Cemetery and was succeeded in the Quorum of the Twelve by Anthony West. Ivins.