Description: This paper is from the Transactions of Society of Actuaries 1956 Volume 8, Number 20. It was presented at the 1956 Spring Meetings of the Society of Actuaries for discussion. The author summarizes the results of a study looking at the correlation between family history and mortality of insured lives, updating a previous study covering exposure from 1911 to 1931, to cover experience between 1931 and 1955.