II. a1. Barnard Trustees by Membership Type and Gender, 1889-1914
| Membership Type | All | Men | Women | Women % |
| Life Term/OBM | ||||
| Life Term | ||||
| Alumnae/Life | ||||
| Alumnae | ||||
| All |
II. a2. Barnard Trustees by Membership Type and Gender, 1915-1939
| Membership Type | All | Men | Women | Women % |
| Life Term | ||||
| Alumnae/Life | ||||
| Alumnae Term | ||||
| All |
II.a3. Barnard Trustees by Membership Type and Gender, 1940-1964
| Membership Type | All | Men | Women | Women % |
| Life Term | ||||
| 12-Year Term | ||||
| Alumnae Term | ||||
| Replacement | ||||
| All |
II. a4. Barnard Trustees by Membership Type and Gender, 1965-1989
| Membership Type | All | Men | Women | Women % |
| Repeat 12-Year Terms | ||||
| 12-Year Term | ||||
| Alumnae Term | ||||
| All |
II. a5. Barnard Trustees by Membership Type and Gender, 1990-2014
| Membership Type | All | Men | Women | Women % |
| Repeat 12-Year Terms | ||||
| 12-Year Term | ||||
| Alumnae Term | ||||
| All |