Fortunately for us, the San Francisco Chronicle published an article last year by Anh-Minh Le detailing her interview with Margaret. In the article, we found many clues as to what the inside of her home looks like and the design style that most resembles hers.
In the article, Margaret describes her Manhattan apartment as "very white - white walls, white furniture." She also has an art collection that apparently keeps her apartment from looking too stark. Says Margaret: "My style is more pared down than what's in the magazine. I'm bombarded by pattern and color in the office. It's so crazy there that I wanted something more peaceful at home."
In 2007, she wrote a book, So Chic: Glamorous Lives, Stylish Spaces, in which she chronicled many of her favorite homes that have been featured in Elle Decor:
It took some effort, but we found photos of Ralph's house on the website of Pieter Estersohn, the amazing photographer used for the feature. Here are a few shots of the living room and den:
Margaret also appreciates the design approach in Sarah Jessica Parker's weekend home (also featured in the book) in Bridgehampton, NY: