We already handle this, and it will produce and error if left.

cbojar · cbojar · commit 42681800d1d1 · 2014-02-04T14:14:14.000-05:00
diff --git a/parse-names.js b/parse-names.js
@@ -82,9 +82,6 @@ var NameParse = (function(){
 			for (j=i; j<end; j++) {
 				lastName += " " + this.fix_case(nameParts[j]);
 			}
-		} else {
-			// otherwise, single word strings are assumed to be first names
-			firstName = this.fix_case(nameParts[i]);
 		}
 	
 		// return the various parts in an array

Original file line number	Diff line number	Diff line change
`@@ -82,9 +82,6 @@ var NameParse = (function(){`
`82`	`82`	`for (j=i; j<end; j++) {`
`83`	`83`	`lastName += " " + this.fix_case(nameParts[j]);`
`84`	`84`	`}`
`85`		`- } else {`
`86`		`- // otherwise, single word strings are assumed to be first names`
`87`		`- firstName = this.fix_case(nameParts[i]);`
`88`	`85`	`}`
`89`	`86`
`90`	`87`	`// return the various parts in an array`