Kammala jumla mai zuwa: McDonnell ya kafa masana'antar wasan yara a Cushendall a 1900, yana ba da aiki ga mutanen gari da haɓaka ƙwarewar aikin katako. Wasanni sun zama sanannun, kuma an sayar da su a Ireland da Ingila da Amurka bayan da aka nuna su a 1904 a
St. Louis Duniya Fair. Masu sana'a ne daga Cushendall suka yi kayan kwalliyar gida don Gidan Tarihi na Ireland. Masana'antar ta rufe a shekarar 1914 a lokacin Yaƙin Duniya na I saboda rashin wadataccen aiki. A wannan lokacin McDonnell ta taimaka wajen kula da sojoji da suka ji rauni daga yakin, a lokacin da take cikin shekarun ta 70.