Brother Leachman was regularly advanced through the Grand Lodge Line and, on November 19, 1986, was elevated to the exalted office of Most Worshipful Grand Master of Masons in Alabama.
Brother Leachman received the Scottish Rite Degrees in the Mobile Scottish Rite Bodies in October, 1963; and was honored by the Supreme Council with the rank and decoration of Knight Commander of the Court of Honour in October, 1975. He received the Degrees and Orders of the Mobile York Rite Bodies in July, 1958; and was installed a Knight Companion of the Red Cross of Constantine in 1979. He is, presently, serving as Prelate of St. Bernard Conclave in Mobile. He is a member of the Royal Order of Scotland and a Noble of ABBA Shrine Temple.
He has not limited his activities entirely to Masonry. He is a member of Carrie Woodson Chapter No. 569, Order of the Eastern Star. He is a Past Patron of Bowen Chapter No. 275, OES. In 1971, he served the Grand OES Chapter of Alabama as its Grand Sentinel.
Brother “Cotton” acknowledges camping and fishing as his favorite hobbies.