Some ordinances were done in special places other than temples, especially where temples were not available. Temple records were created to document completed ordinances. You can also find proxy temple ordinances completed by pioneers for their ancestors.
These records will help you identify ancestors who may still need ordinances, and avoid unnecessary duplication of ordinances for others. During the 19th century many pioneer women received their endowments using their married name and not their maiden name therefore, you should search for female endowments using both a woman’s maiden name and married name. You can also verify information about an endowment, a sealing to parents, or a sealing to a spouse. These include the names, birth dates, and birthplaces of parents, grandparents, and other relatives.
Temple records sometimes show important clues about Latter-day Saint pioneers and their ancestors that cannot be found in other records. Temple Records The Church of Jesus Christ