Invented name with no established historical meaning
Jacaerys is a literary name created by author George R.R. Martin for his 'A Song of Ice and Fire' fantasy series. It follows the naming conventions of the fictional Valyrian culture, often characterized by the 'ae' vowel combination. While it lacks a traditional etymological root, it is strongly associated with dragon-riding royalty in its source material.
About 22 boys were named Jacaerys in 2025.
US births per 5-year period, 1990–present (SSA data).
Prince and dragonrider known as Jace · House of the Dragon
