Jack means Gods Mercy. This form of the name John, was popular in the Low countries in the middle ages and was used in stories, Jack and the Beanstalk, Jack Sprat (nursery rhyme). Nicknames tend to pick up on personal traits, so whatever you think is appropriate, loving, cute but not too embarrassing or unmanly.
Yuma, Arizona. Yuma (Cocopah: Yuum) is a city in and the county seat[5] of Yuma County, Arizona, United States. It is located in the southwestern corner of the state, and the population of the city was 93,064 at the 2010 census, up from the 2000 census population of 77,515.[3]
Mohave County in Arizona is the fifth largest county in the United States. Its total land and water area is about 13,470 square miles, and its county seat is Kingman City. The county has a population of 203,361, and this is composed of White, Latino, Native American, and Asian Americans alike.