Donald: “great chief” and “ruler or king of the world.”
Trump: derived from occupational names referring to "trumpet", either for trumpeters or trumpet-makers.
Taken together, Donald Trump's name literally tells the story of a "great chief" who will have the quality of a "trumpet." Also related to the word "triumph" and "triumphant"
Fun fact: Joe Biden's name means "God shall add from the shadow valley" whatever that means.
~Further confirmation~
Donald Meaning:
Ruler or king of the world; Great chief. Donald is a baby boy's name of Gaelic, Scottish, and Celtic origin, meaning “great chief” and “ruler or king of the world.” This centuries-old name carries respect from the surname Dòmhnall, commonly used during the time of the Dalriadan in Ireland and Scotland. Jun 28, 2024
Source: https://www.thebump.com/b/donald-baby-name#:~:text=Meaning%3ARuler%20or%20king%20of,Dalriadan%20in%20Ireland%20and%20Scotland.