Likely a variant of Sequoia, meaning giant redwood tree.
Sakoya is most commonly understood as a creative phonetic spelling of Sequoia. Sequoia is derived from the name of the Cherokee silversmith Sequoyah, who developed the Cherokee syllabary, and was later applied to the massive redwood trees of California.
Less common today
Sakoya isn't in the latest US Top 1000. It last peaked at #11,381 in 1990.
US births per 5-year period, 1990βpresent (SSA data).