The name Tennasyn is of American origin, derived from combining elements from various sources. The 'Tenn' portion likely comes from Tennessee, the 16th state of the United States, which is named after a Cherokee village and means 'meeting place' in that tribe's language. The '-syn' ending could be inspired by Greek or Norse names, such as Alexander or Sindri, suggesting strength or skill. Tennasyn thus translates to something like 'strong meeting place,' symbolizing unity and power.
Tennasyn saw an equal number of babies born each year with five children welcomed into the world in both 2013 and 2014, resulting in a total of ten births over those two years.