| 1931 |
Law School transferred to University of Dayton |
| 1932 |
Iota Tau Lambda is founded |
| 1934 |
- Name is changed to Dayton YMCA Junior College
- Dormitories at the Fourth Street location overseen by "Mother" Ruff
- William S. Segar becomes Education Director
- Freshman year established
|
| 1935 |
Sophomore year established |
| 1935 |
G. H. McConaughy is Director of the Junior College |
| 1935 |
- 855 students
- Technical School - 285 students
- Commerce School - 276 students
- Liberal Arts & Evening High School - 147 students each
|
| 1936 |
45 Faculty members |
| 1943 |
C. Chester Bussey becomes Director of the YMCA College |
| 1946 |
- G.I. Bill enables many veterans to attend college
- Day College begins
|
| 1948 |
- Name is officially changed to Sinclair College of the YMCA
- Annex Building at 113 West Monument Avenue is purchased for the growing school
|
| 1952 |
Work-Study Program begun for evening students |
| 1953 |
First self-study completed |
| 1957 |
Director Bussey becomes President |
| 1959 |
Sinclair College receives separate incorporation |
| 1960 |
- College receives a grant from the Dayton Foundation to conduct a North Central Association self-study for accreditation
- Last Bachelor's Degree awarded
|
| 1962 |
75th Anniversary of Sinclair College celebrated |