Sure was! Cheaper by the Dozen draws from the actual events and dynamics of the Gilbreth family. It presents a fictionalized but still true-to-life account that captures the essence of their experiences.
Well, it takes some inspiration from real family situations, but it's also fictionalized and embellished for entertainment purposes. So, it's a mix of real and made-up elements.
Yes, it's a true story. The Gilbreths were an interesting family. Frank and Lillian were not only dealing with a dozen kids but also making contributions in the field of efficiency. The kids in the family had to adapt to their parents' rather scientific approach to family management. For example, things were organized in a very methodical way. This real - life family story was then adapted into the 1950 movie, which became popular for showing this unique family life.