There are also two less known temperature scales: Réaumur and Rankine:
French scientist René Antoine Ferchault de Réaumur (1683-1757) created his scale at about the same time Fahrenheit did, unaware of Fahrenheit's work. Réaumur used the freezing point of water as the zero mark for the scale and the set boiling point to 80 °R. The scale was used in some European countries for a while but was later replaced by the Celsius scale.
William Rankine (1820-1872) invented the Rankine scale which is an absolute scale like Kelvin but with steps the size of Fahrenheit degrees. (Rk = °F + 459.69)
Sources: Eric Weisstein's Treasure Trove of Scientific Biography (http://www.treasure-troves.com/bios/), Dictionary of Units (http://www.ex.ac.uk/cimt/dictunit/dictunit.htm)