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Welcome to Magnolia Family Dentistry
Family Dentistry in Barrington, IL
Welcome to Magnolia Family Dentistry, our goal is to make sure that every dental visit is an excellent experience. Our caring team takes pride in offering high-quality dental care and addressing your questions and concerns to help you enjoy your visit. Our office provides dental care for the entire family to help establish excellent oral health from a young age for smiles that remain beautiful and healthy for a lifetime.
Our dental office utilizes the latest and best dental technology and services to provide you with excellent dental care. If you have any questions, you can always contact our office and let our friendly staff assist you. We look forward to your first visit to Magnolia Family Dentistry!
Dentist Near You.
We are proud to offer dental care services to Barrington and have been serving the local community for over thirty years. Call our friendly staff today and schedule your first appointment!

Office Hours
Monday | 8:00 am - 5:00pm |
Tuesday | 8:00 am – 4:00 pm |
Wednesday | 10:00 am – 7:00 pm |
Thursday | 9:00 am – 5:00 pm |
Friday | 8:00 am – 2:00 pm |
Saturday | 8:00 am – 1:00 pm * |
Sunday | Closed |
* 1 Per Month |

Meet Our Doctors.
John Mannelly, DDS
My name is Dr. John Mannelly and I am excited to serve the Barrington community! I was born in southern California and then spent my formative years in Minden, Nevada near the Reno-Lake Tahoe area. I received my undergraduate degree in biology from the University of Nevada. I continued my education and received my DDS degree from the University of Southern California Ostrow School of Dentistry. I received an excellent wide-ranging education in the many facets of dentistry. While at USC, I had the pleasure of serving the community at places such as the Union Rescue Mission, the USC Mobile Dental Clinic, and the dental clinic at LAC+USC Medical Center.

William Gallagher, DDS, MS
My name is Dr. William Gallagher and I am thrilled to be your new endodontist. I grew up in Okemos, Michigan, and am excited to start working in the Barrington area. For the past 12 years, I have been serving in the United States Navy where I have traveled around the world practicing dentistry and learning leadership.


Associations and Accolades
Our office is a proud member of many associations. We stay up to date on the latest in dental technology to ensure you have the most satisfying visit.


Barrington, IL Family and Cosmetic Dental Office. Call our friendly staff today.
Office Hours
Monday | 8:00 am - 5:00 pm |
Tuesday | 8:00 am – 4:00 pm |
Wednesday | 10:00 am – 7:00 pm |
Thursday | 9:00 am – 5:00 pm |
Friday | 8:00 am – 2:00 pm |
Saturday | 8:00 am – 1:00 pm * |
Sunday | Closed |
*1 Per Month |
Office Hours
Monday | 8:00 am – 5:00 pm |
Tuesday | 8:00 am – 4:00 pm |
Wednesday | 10:00 am – 7:00 pm |
Thursday | 9:00 am – 5:00 pm |
Friday | 8:00 am – 2:00 pm |
Saturday | 8:00 am – 1:00 pm * |
Sunday | Closed |
*1 Per Month |