Easton's Bible Dictionary (1897)
A remnant shall escape or return (i.e., to God), a symbolical name which the prophet Isaiah gave to his son (Isa. 7:3), perhaps his eldest son.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
SHE'AR-JA'SHUB (a remnant returns). the symbolical name Isaiah gave his son. Isa 7:3.
Hitchcock's Bible Names (1869)
the remnant shall return