Welcome to the memorial page for

William John Ott, M.D.

April 15, 1944 ~ September 19, 2021 (age 77)

William John Ott, M.D., fortified with the Sacraments of the Holy Mother Church, Sunday, September 19, 2021; loving and beloved husband of Cathleen (nee Majka) Ott; deeply loved father of John W. (Christina) Ott, Julia C. (Richard) Ott, Thomas W. Ott and Mary Catherine Ott; dear son of the late Harold J. Ott Sr., M.D. and Pauline Temple Ott; dear brother of the late Harold J. (Suzanne) (the late Alice) Ott, M.D; proud grandfather to Lydia Vermillion, Cecily Vermillion, Cora Vermillion and Linus Ott, and dear brother-in-law, uncle, great-uncle and loyal friend to many. Dr. Ott was the most dedicated fan and cheerleader for his children, grandchildren and favorite sports teams, especially Notre Dame football.

An alumnus of St. Louis University Medical School, University of Notre Dame and St. University High School, Dr. Ott specialized in the practice of maternal fetal medicine for over forty years, achieving the rank of clinical professor of obstetrics at St. Louis University. In addition to his clinical practice, his academic legacy is the knowledge he imparted to generations of resident physicians, nurses and ultrasound technicians he trained in ultrasound and patient care. Nationally and internationally known for his research in obstetrical ultrasound, he published his lifelong work in the well-received textbook Clinical Ultrasound.

Additionally, Dr. Ott published 63 peer-reviewed articles, 7 book chapters and 5 collections of clinical case studies.  A member of 9 medical societies, Dr. Ott served as both the Treasurer and President of the St. Louis Gynecological Society and sat on editorial boards of 7 medical journals.  Yet another proud achievement was his varsity letter in fencing which he earned at Notre Dame. 

Funeral mass and services, officiated by Father Nicholas Kastenholz, will take place on Monday, September 27, 10 a.m. at Saint Joseph Church, 106 North Meramec, St Louis, MO proceeded by 9 a.m. visitation. Internment following at Resurrection Cemetery, 6901 MacKenzie Rd, St. Louis, MO. Masks encouraged for all inside events.

Masses preferred or memorial gifts to Villa Duchesne Chapel, White House Jesuit Retreat, St. Louis University High School, and Saint Louis Priory School. Visitation will be held on Sunday, September 26 from 4-6 p.m. at the Villa Duchesne Chapel, 801 South Spoede Rd, St. Louis, MO.

Charitable donations may be made to:

White House Jesuit Retreat


Saint Louis Priory

 Service Information

September 26, 2021

4:00 PM to 6:00 PM
Villa Duchesne Chapel
801 S. Spoede Rd.
St. Louis, MO 63131

Mass of Christian Burial
September 27, 2021

10:00 AM
Saint Joseph Church
106 N. Meramec
St. Louis, MO 63105

Please note
The family prefers masses and memorial be given in honor of Dr. Ott.

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