Necessity was 1st organized as a community during the 1870s. The 1st Baptist Church was started in 1876 & was 1st known as Mountain Valley Baptist Church & the existing name on Necessity are all names by which this community has been known. The name Necessity derived from the necessity for a post office. In the late 1800s with the discovery of oil in 1920 the population exploded. At the height of the boom there were over 20,000 residents & 2 banks. The cemetery dates from the 1870s.