This name is especially popular in Utah in honor of Mormon leader Dallin Oaks (born 1932), who himself was named after artist Cyrus Dallin. (1861-1944)
AI returns the following for this name.The name Dallin, of English and German origin, means "from the valley" and is derived from the names Dale and Dahl. Here's a more detailed breakdown: Origin: English and German Meaning: "From the valley" Related Names: Dale, Dahl Popularity: Dallin is currently #5725 in U.S. births. For boys, it is currently #2649 in U.S. births.