Lucius

In the United States, 927 babies were named Lucius between 2020 and 2025.

Shape drawn from US Social Security baby-name records. Lucius peaked in the 1890s and the 2020s in nearly equal measure.

Births with a Social Security record. Source: U.S. Social Security Administration

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In Canada, 19 boys named Lucius were born in 2024, ranked 1,232nd among boys that year.

share of that year’s name registrations

First given names from provincial and territorial vital statistics across Canada; any name-sex-year under 5 is excluded at source, and small Quebec counts carry a randomized adjustment made at source. Shares divide by Statistics Canada’s count of live births for the year; the 2024 count is preliminary. Source: Statistics Canada, first names at birth (table 17-10-0147-01)

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In England and Wales, 26 boys named Lucius were born in 2025, ranked 1,124th among boys that year.

share of that year’s name registrations

Birth registrations in England and Wales (not the whole UK); exact spellings are counted separately, and any spelling under 3 in a year is withheld at source. Source: Office for National Statistics, baby names in England and Wales

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In Austria, 1 boy named Lucius was born in 2025, ranked 1,842nd among boys that year, spellings that differ only by special characters counted together.
The count never rose above 3 in a year, too few to chart.

Live births in Austria by year of birth, 1984–2025, from Statistik Austria’s first-name statistics; spellings that differ only by special characters are counted together (umlauts stay apart), every name down to a single birth is published, and the count covers babies with Austrian citizenship only until 2009, every baby from 2010, and from 2015 also births abroad to mothers living in Austria. Shares divide by Statistik Austria’s count of live births from 2010, and before that by the file’s own total for the year. Source: Statistik Austria - data.statistik.gv.at (OGDEXT_VORNAMEN_1, updated 2026-07-09)

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In Argentina, 2 newborns were given the name Lucius in 2024.
The count never rose above 2 in a year, too few to chart.

Given-name components of births in Argentina 2012–2024; national cells are lower bounds and no sex split is published. Source: RENAPER (Argentina), Dirección Nacional de Población, given names 2012-2024

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At the 2022 census, 421 people in Brazil were named Lucius, ranked 15,051st, with a median age of 16.
Among people named Lucius living in Brazil at the 2022 census, roughly as many were born in the 2000s as in the 2010s, more than in any other decade.

people alive at the 2022 census, by decade of birth

The census also counted 43 born between 2020 and August 2022, too recent a span to chart. People alive and resident in Brazil at the 2022 census, a living-population count, not births; names under 20 are withheld at source. Source: IBGE, Censo Demográfico 2022

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Lucius is not on the 2017 record for South Australia, whose registry publishes every name given that year.
The count never rose above 4 in a year, too few to chart.

Births registered in South Australia (not all of Australia) by first name and year of registration, 1944–2017, from the state’s Births, Deaths and Marriages registry, which publishes every name down to a single birth in capitals; a spelling its export repeats inside a year is counted once, and from 2018 only a top 100 is published, so the series ends at 2017. Source: Consumer and Business Services (South Australia), popular baby names

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