10 Quick Facts About William Sears
- Full Name: William Sears
- Nationality: American
- Known For: the book The Baby Book
- Age: 86 years old
- Date of Birth: December 9, 1939
- Place of Birth: Alton, Illinois
- Marital Status: Married
- Spouse / Partner: Martha Sears
- Popular As: Dr. Bill Sears
- Net Worth: $375K – $3.8M

William Sears Age
William Sears is about 87 years old as of 2026. William Sears was born in 1939.
Popularity is based on reader activity and boosts.
Education
He attended Saint Louis University School of Medicine, where he earned a Doctor of Medicine (MD) in Medicine.
- Saint Louis University School of Medicine
- Qualification: Doctor of Medicine (MD)
- Field of Study: Medicine
Career & Work
William Sears' career includes professional roles with University of California, Irvine.
Rise to Fame
William Sears rose to prominence for his role for the book The Baby Book.
Notable Works
Notable works include The Baby Book.
Book
- Book: The Baby Book (Author, 1993) — Seminal work on attachment parenting
William Sears Family & Relationships
William Sears is married to Martha Sears. He has 2 children, including Jim Sears and Robert Sears.
- Children:
- Jim Sears
- Robert Sears
Personal Information
- Full Name: William Sears
- Popular As: Dr. Bill Sears
- Gender: Male
- Nationality: American
- Living Status: Alive
- Ethnicity: White
Birth & Background
- Date of Birth: December 9, 1939
- Age: 86
- Birthday: December 9
- Zodiac Sign: Sagittarius
- Place of Birth: Alton, Illinois
Measurements
- Eye Color: Brown
- Hair Color: Gray
Family & Relationships
- Marital Status: Married
- Spouse / Partner: Martha Sears
Net Worth & Income
- Salary: $45K – $188K (Est)
- Net Worth: $375K – $3.8M (Est)
- Source of Income: Multiple Sources
Related Biographies
- Martha Sears (Spouse • Wife and co-author)
Online Presence
- Website:https://www.askdrsears.com/









