- William B. Brennan Jr 2
- William C. Brennan 12
- William C. Brennan Jr 3
- William D. Brennan 11
- William D. Brennan Jr 2
- William E. Brennan 12
- William E. Brennan Jr 2
- William F. Brennan 8
- William F. Brennan Iii 2
- William F. Brennan Jr 4
- William F. Brennan Sr 2
- William G. Brennan 3
- William H. Brennan 4
- William J. Brennan 46
- William J. Brennan Iii 2
- William J. Brennan Jr 15
- William J. Brennan Sr 3
- William K. Brennan 6
- William L. Brennan 7
- William L. Brennan Jr 3
- William M. Brennan 15
- William M. Brennan Iii 2
- William M. Brennan Jr 3
- William P. Brennan 18
- William P. Brennan Jr 2
- William R. Brennan 8
- William S. Brennan 4
- William T. Brennan 10
- William T. Brennan Jr 2
- William V. Brennan 3
- Yvonne R. Brennan 2
People List: BRENNAN