Surname
Tominaga
Tominaga (富永) is a Japanese surname. Its kanji mean wealth + eternity, and Wikidata lists 22 notable people with this family name.
と · み · な · が · とみなが
What Tominaga means
富
wealth, rich
永
eternity
Where the name comes from
The kanji of Tominaga mean wealth + eternity. Many surnames like it began as descriptions of a family's land, trade or position before surnames were required for every household in 1875.