Who is the most famous person named Keynes?

John Maynard Keynes, British economist (1883–1946), followed by Skandar Keynes.

Where is the surname Keynes most common?

Wikidata records people named Keynes in the United Kingdom and the United Kingdom of Great Britain and Ireland.

Keynes is /keɪnz/, one syllable.

A French surname.

Pronounced /keɪnz/ 1 syllable Soundex K520

French origin

Alteration of Anglo-Norman Kahaignae, Chaiines (“Cahagnes, now a commune in Normandy”).

One of 791 French surnames on this site.

Origin from Wiktionary (CC BY-SA 4.0).

3 notable people on Wikidata, most written-about first

Notable Keyness come mostly from the United Kingdom (2) and the United Kingdom of Great Britain and Ireland (1).

Where does the surname Keynes come from?: Alteration of Anglo-Norman Kahaignae, Chaiines (“Cahagnes, now a commune in Normandy”).
Who is the most famous person named Keynes?: John Maynard Keynes, British economist (1883–1946), followed by Skandar Keynes.
Where is the surname Keynes most common?: Wikidata records people named Keynes in the United Kingdom and the United Kingdom of Great Britain and Ireland.
How do you pronounce Keynes?: Keynes is /keɪnz/, one syllable.