In 1860 Douglas was the name of an estate that reached from the Río Hondo to the New River.[1]
In 1948 the Police substation was reconstructed.[2]
In 1949 the police force consisted of 1 officer.[2]
From at least 1917[3] to 1925 Douglas had a catholic mission under the Church of the Immaculate Conception, from Settlement 260.[4]