- Simpson, Mrs. Simpson, Wallis Warfield Simpson, Wallis Warfield Windsor, Duchess of Windsor - United States divorcee whose marriage to Edward VIII created a constitutional crisis leading to his abdication
--1 is a kind of divorcee, grass widow
- Simpson, Sir James Young Simpson - Scottish obstetrician and surgeon who pioneered in the use of ether and discovered the anesthetic effects of chloroform (1811-1870)
--2 is a kind of doctor, doc, physician, MD, Dr., medico