Featured grants
- Brennan, Mary C. One-Time Funding from Equity and Access Committee, $3000. (Funded: 2012). Grant.
- Brennan, Mary C. Common Experience Committee Grant, $500. (Funded: 2012). Grant.
- Brennan, Mary C. Margaret Chase Smith Library, Skowhegan, Maine. (Funded: 2000). Grant.
- Brennan, Mary C. American heritage Center, University of Wyoming, Laramie, Wyoming. (Funded: 1997). Grant.
- Brennan, Mary C. Margaret Chase Smith Library, Skowhegan, Maine. (Funded: 1997). Grant.

Featured scholarly/creative works
- Brennan, M. C. (2019, December). The Only Real Road. Texas Books in Review. San Marcos, TX, USA: Center for the Study of the Southwest.
- Brennan, M. (2016). An Unlikely First Lady: Pat Nixon. In K. Sibley (Ed.), A Companion to First Ladies. Hoboken, NJ: John Wiley & Sons.
- Brennan, M. C. (2016, July). Western Historical Quarterly. Oxford Journals. https://doi.org/10.1093/whq/whw122
- Brennan, M. C. (2016). An Unlikely First Lady. In A Companion to First Ladies (pp. 535–551). Wiley. https://doi.org/10.1002/9781118732250.ch31
- Brennan, M. C. (2016). H-Diplo. https://doi.org/10.1093/dh/dhu073
Featured awards
- Award / Honor Recipient: Favorite Professor, Alpha Chi. November 20, 2020
- Award / Honor Recipient: Alpha Chi Favorite Professor. 2012
- Award / Honor Recipient: Alpha Chi Favorite Professor. 2011
- Award / Honor Recipient: Presidential Award for Excellence in Teaching. 2009
- Award / Honor Recipient: Mariel Muir Mentoring Award. 2007 - 2008

Featured service activities
- Member
election Task Force
- Other
Energy Conservation Committee
- Member
First Ladies Association for Research and Education Nominating Committee
- Chair
Insights and Highlights: Election Predictions Panel
- Attendee / Participant
First Ladies Association for Research and Education