人は一人もいなかった

there wasn't a single person

→ 人
phrase Rare #39,137
there wasn't a single person Often follows a clause describing the people who were absent. 「一人も〜ない」 means “not even one person.”
JA: 公園には人は一人もいなかった。
EN: There wasn't a single person in the park.

彼を称賛しない人は一人もいなかった。

There wasn't a single person who didn't praise him.

帰り道で襲われた人は一人もいなかった。

No one was attacked on the way home.