Silver

As a Masculine name, it's very predominant in Uganda.
https://forebears.io/x/forenames/silver

Silver is a pretty popular name in Estonia, ranking 82nd with 2092 men carrying the name. Average age is 33, mostly born in May.
I think it was the most popular in the 1960s to 1980s.

For girls, was first recorded in the US in 1915. There have never been more than 55 births in a year. In 2018, 37 girls were given this name.

It appeared on the U.S. popularity chart in 1896... wonder if that had something to do with the gold vs. Silver currency debate.