Who is the most famous person named Tolstoy?

Nikolai Tolstoy, British-born Russian noble and historian, followed by Ekaterina Junge.

Where is the surname Tolstoy most common?

Wikidata records people named Tolstoy in the United Kingdom and the Russian Empire.

A surname.

2 syllables Soundex T423

From Russian Толсто́й (Tolstój), from a stress variant of the ancestor of то́лстый (tólstyj, “stout”).

Origin from Wiktionary (CC BY-SA 4.0).

2 notable people on Wikidata, most written-about first

Nikolai Tolstoy
British-born Russian noble and historian, born 1935
Ekaterina Junge
Born countess Tolstoy, Russian painter and memoirist (1843–1913)

Notable Tolstoys come mostly from the United Kingdom (1) and the Russian Empire (1).

Where does the surname Tolstoy come from?: From Russian Толсто́й (Tolstój), from a stress variant of the ancestor of то́лстый (tólstyj, “stout”).
Who is the most famous person named Tolstoy?: Nikolai Tolstoy, British-born Russian noble and historian, followed by Ekaterina Junge.
Where is the surname Tolstoy most common?: Wikidata records people named Tolstoy in the United Kingdom and the Russian Empire.