I know this name from Dashiell Hammett's novel Red Harvest; Elihu Willson is a major character. He is an old man who once controlled the town, but is now bedridden. His son is murdered in the first chapter, which sets the rest of the plot in motion.
To the person ten years back who didn’t think this name included the element for YHWH, they are incorrect. “El” is the same as “Yah.” See this link for more details on this name. https://www.abarim-publications.com/Meaning/Elihu.html