Catherine T. MacArthur
| Catherine MacArthur | |
|---|---|
| Born | Catherine Terese Hyland November 23, 1908 | 
| Died | December 15, 1981 (aged 73) | 
| Occupation | Philanthropist | 
| Known for | MacArthur Foundation | 
| Spouse | |
Catherine Terese MacArthur (née Hyland; November 23, 1908 – December 15, 1981) was an American philanthropist. With the estate of her husband, businessman and philanthropist John D. MacArthur, she co-founded the MacArthur Foundation, one of the 10 largest philanthropic foundations in the United States.