Kiefer comes from the English / German / Germanic tradition, meaning A Pine Tree or A Barrel Maker.
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How popular is Kiefer?
1991peak year
Today, Kiefer is rarely chosen — ranked well outside the top 1,000 (around #7753), with only about 13 babies given the name per year. But it wasn't always this way. At its peak in 1991, 204 babies were given the name (ranked #710 nationally). Its strongest stretch was the 1990s. Kiefer has been declining in recent years. In all, around 1,944 babies have been registered as Kiefer since 1880.
Year-by-year registrations1880–2024 · U.S. Social Security data
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