It is the same Person, true,* but the former is (an estimate of) His proper Name.
I can refer to you as
Anthony or the OP (of this thread). Both are correct and identify the same person, but they are semantically different, a valid distinction in etymology > onomastics.
*Your point is valid in a
Theological discussion, but these discussions are
linguistic in nature.
"Like arrows in the hands of a warrior are sons born in one's youth." Ps. 127:4
JoHannah Jubilee, BenJudah Gabriel, Aaron Josiah, Jordan Uriah,
Maranatha Nissiah, (Anastasia Nike, 1992-1992), Jeshua David,
Shiloh Joshana, Elijah Daniel, Hezekiah Nathaniel, Zephaniah Joseph