- Allan,1686–1758, Scottish poet.
- George. Dalhousie(def 1).
- James Andrew Broun. Dalhousie(def 2).
- Sir William,1852–1916, English chemist: Nobel prize 1904.
- Allan . ?1686–1758, Scottish poet, editor, and bookseller, noted particularly for his pastoral comedy The Gentle Shepherd (1725): first person to introduce the circulating library in Scotland
- his son, Allan 1713–84, Scottish portrait painter
- James Andrew Broun Ramsay See Dalhousie (def. 2)
- Gordon. born 1963, British chef and restaurateur; achieved a third Michelin star (2001)
- Sir William . 1852–1916, Scottish chemist. He discovered argon (1894) with Rayleigh, isolated helium (1895), and identified neon, krypton, and xenon: Nobel prize for chemistry 1904
- British chemist who discovered the noble gases argon (with Lord Rayleigh), helium, neon, xenon, and krypton. For this work he was awarded the 1904 Nobel Prize for chemistry. In 1908 his research showed that radon was also a noble gas.