The given name Jashua has its origins in the Hebrew language and culture. It is believed to have emerged around the 13th century BCE. The name is derived from the Hebrew word "Yehoshua," which means "Yahweh is salvation" or "Yahweh saves."

One of the earliest and most significant historical references to this name can be found in the Hebrew Bible, where it is the name of the successor to Moses and the leader who guided the Israelites into the Promised Land. This biblical figure, known as Joshua, played a pivotal role in the conquest of Canaan and the establishment of the Israelites in their new homeland.

The earliest recorded examples of the name Jashua can be traced back to the late 13th century BCE, during the time of the biblical Joshua. However, it was not until much later that the name gained popularity outside of the Hebrew culture.

Throughout history, several notable individuals have borne the name Jashua. One of the most famous is Jashua ben Gamla, a Jewish leader who lived in the 1st century CE and is credited with establishing a system of universal education in Judea. Another prominent figure is Jashua ben Hananiah, a renowned Jewish scholar from the 2nd century CE who played a crucial role in the compilation of the Mishnah, a foundational text of Judaism.

In the 17th century, Jashua Sylvester, an English poet and translator, gained recognition for his translation of the epic French poem "La Semaine" by Guillaume de Saluste Du Bartas. Sylvester's work, published in 1608, helped introduce the concept of a weekly cycle to English poetry.

Another notable bearer of the name is Jashua Greely, a 19th-century American explorer and United States Army officer who led the ill-fated Lady Franklin Bay Expedition to the Arctic in 1881. Despite facing extreme hardships and the death of many of his crew members, Greely's leadership and determination ensured the survival of some members of the expedition.

In the 20th century, Jashua Zitrin, an American poet and educator, made significant contributions to the field of literature. Born in 1925, Zitrin was known for his explorations of Jewish identity, history, and culture through his poetic works.