This unusual and interesting name is a dialectual variant of the Olde Norse personal name 'Floki' orignally a byname meaning outspoken, or enterprising possibly a latterday entrepreneur! In the modern idiom the variants include Flook and Flux. One Elizabeth Fluck an infant was christened at St. Clement Danes, Westminster, London in 1729. Also in London in 1656 Rose Fluck married Francis Wooton, in All Hallows, London Wall. The first recorded spelling of the family name is shown to be that of James Fluck, which was dated married Elenor Browneing at St. Mary, Marylebone, London in 1684, during the reign of King Charles II, The Merry Monarch, 1660 - 1685. Surnames became necessary when governments introduced personal taxation. In England this was known as Poll Tax. Throughout the centuries, surnames in every country have continued to "develop" often leading to astonishing variants of the original spelling.