Jordan takes its name from the river, itself from a Hebrew root meaning "to flow down" or descend. Used as a given name, it carries associations with movement and passage -- a name historically tied to crossing points and new beginnings rather than a fixed, settled place.
Planets under the Sun's beams, or within twelve degrees thereof, are unfortunate, unless in the same degree with him, but when passed 12 degrees from him (existentes orientales) they are fortunate. - William Lilly (1602.-1681.)