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  • Writer's pictureKatie Brennan

Mary Beatrice Davidson Kenner: Period.


Mary Beatrice Davidson Kenner
Mary Beatrice Davidson Kenner

In the annals of history, numerous uncelebrated heroes have made groundbreaking contributions to the world, often without receiving the recognition they deserve. Mary Beatrice Davidson Kenner is one such remarkable figure. Her innovative spirit and unyielding determination not only revolutionised women's health but also serve as an enduring source of inspiration for generations to come. In this blog post, we delve into the life and legacy of Mary Beatrice Davidson Kenner, the inventive mind behind the sanitary pad, and why she continues to inspire us today.


Her Life and Careers


Mary Beatrice Davidson Kenner was born in 1912 in Monroe, North Carolina, at a time when opportunities for African-American women were limited. Despite the racial and gender prejudices of the era, she displayed an insatiable curiosity and an unquenchable thirst for knowledge. Mary pursued her education diligently, graduating from Dunbar High School in Washington, D.C.


Mary Kenner embarked on a diverse and accomplished career, showcasing her versatility and talent in various fields. She was a professional floral arranger, and her expertise led her to establish four flower shops throughout the Washington, DC, region, where her creative floral designs blossomed.


For 23 years, she passionately managed her floral business, demonstrating remarkable entrepreneurial spirit, all the more impressive as she had to discontinue her college education due to financial constraints. In addition to her flourishing career as a floral arranger, Mary also found her place within the federal government during World War II. She contributed her skills to the Census Bureau and the General Accounting Office, making her mark in the public sector.


During her time working for the government, Mary embraced yet another role: that of a chaperone. She escorted and mentored young women attending military base dances in the vibrant city of Washington, D.C. Amidst her various pursuits and roles, Mary Kenner also possessed a passion for music and was and avid singer.


Innovating for Women's Health


It was during her formative years that Mary witnessed a problem that would become her lifelong mission. She saw the suffering and discomfort that many women endured due to the limitations of existing sanitary products. This observation ignited a passion within her to find a better way, a way that would transform women's lives for the better.


The sanitary pad was a significant breakthrough in the realm of women's health. It's key features:


  • Moisture-Proof Shield: The sanitary pad featured a moisture-proof shield, which was a groundbreaking feature. This shield effectively prevented leakage and ensured that women could stay dry and comfortable during their menstrual cycles.

  • Innovative Absorption: Mary's invention included an innovative absorption mechanism. The pad could absorb menstrual blood effectively, providing a high level of protection and comfort to the wearer.

  • Comfort and Freedom: The inclusion of the moisture-proof shield not only enhanced protection but also offered a newfound sense of comfort and freedom to women. They could go about their daily activities without worrying about discomfort or embarrassment.

  • Revolutionary Design: The design of the sanitary pad was revolutionary for its time. It aimed to alleviate the physical and emotional burden that often accompanied menstruation, challenging societal norms and expectations.

  • Empathy-Driven Invention: Mary's creation was driven by empathy and a deep understanding of the challenges she and other women faced during their menstrual cycles. Her invention was a compassionate response to these challenges, empowering women to lead more comfortable and confident lives.

  • Trailblazing Legacy: The sanitary pad was a pioneering product that transformed the way women experienced their monthly cycles. It laid the foundation for the development of more advanced and comfortable menstrual hygiene products, leaving a lasting legacy in the field of women's health.


Sanitary Belt
Sanitary Belt

Perseverance in the Face of Rejection


Mary Beatrice Davidson Kenner's innovation was truly ahead of its time. Unfortunately, she faced numerous obstacles when attempting to patent her creation. Discrimination and bias, both racial and gender-based, scuppered her efforts. It took more than 30 years for Kenner to secure her patent, which she received in 1956. Her tenacity in the face of adversity is nothing short of inspiring.


"when they found out I was black, their interest dropped. The representative went back to New York and informed me the company was no longer interested."



The story of Mary Beatrice Davidson Kenner is a testament to the power of innovation and determination in the face of discrimination. Her commitment to improving the lives of women and girls through her inventive spirit remains an enduring source of inspiration. Kenner's invention, the sanitary pad, paved the way for the development of more comfortable and effective menstrual hygiene products.


Championing Change


Kenner's legacy extends beyond her groundbreaking invention. Her story encourages us to challenge societal norms and to persist in the face of adversity. Her life's work serves as a beacon of hope, particularly for those who continue to break barriers and pursue their passions against all odds.


Mary Beatrice Davidson Kenner's remarkable journey, from a determined young student to a pioneering inventor, is a testament to the indomitable human spirit. Her innovation, the sanitary pad, transformed the lives of countless women and left a mark on women's health. Mary's story reminds us of the power of determination, resilience, and commitment to change. She continues to inspire us as an advocate for innovation and as a symbol of perseverance in the face of adversity. Mary Beatrice Davidson Kenner, the unsung hero, is a testament to the limitless potential that resides within each of us, waiting to make a difference in the world.


A Letter to:

To Mary Beatrice Davidson Kenner,

Thank you for inventing the sanitary pad, your invention has changed the lives of almost every woman alive today! Thank you for continuing to push for your historic invention in an era where being a woman was hard and being a black woman must have been even harder.

I think you are inspiring for pursuing you passion and creativity and your empathy for all women is commendable.

Thanks for making my time of the month more managable.

Thank you,

Katie Brennan

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