Baby Names US
boys' name ★ peaked 1923

Delos

Gender Boy Rank 2025 Below top lists
Rank 2025
–
among boys
Babies in 2025
<5
named Delos
How common
–
boys born in 2025
Peak year
1923
49 babies
All-time total
1,324
#4,301 all-time among boys
First recorded
1880
in Social Security records

Delos popularity over time

1,324 babies have been named Delos since 1880, according to official Social Security records. Switch measure to see births per year or the yearly rank.

Measure
Births per 1,000 babies of that sex, comparable across eras
0.030.050.080.118801900192019401960198020002020Peak 1890Boys

By decade. Change compares yearly averages, so the current partial decade is on equal footing. Best rank is the name's best yearly rank within the decade.

Decade Boys Per year Change Best rank
1880s 30 3 – #764
1890s 35 4 +17% #680
1900s 32 3 -9% #771
1910s 249 25 +678% #1,051
1920s 365 37 +47% #998
1930s 262 26 -28% #1,115
1940s 144 14 -45% #1,525
1950s 115 12 -20% #2,050
1960s 50 5 -57% #2,580
1970s 14 1 -72% #4,093
1980s 11 1 -21% #5,693
1990s 6 1 -45% #7,395
2000s – – – –
2010s 6 1 – #11,093
2020s (to 2025) 5 1 +39% #12,494

The story of Delos

Delos is not currently in use for newborns in the United States: fewer than five babies received the name in 2025. Its story lives in the historical record below.

Since 1880, 1,324 American babies have been named Delos. Its peak came in 1923, when 49 newborns received the name, the signature sound of the 1920s.

The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Delos stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Delos?

The median living Delos is about 72 years old; half are between 64 and 82. An estimated 300 people named Delos are alive in the United States today.

median 72 020406080100

Estimated from births per year and Social Security period life tables; an approximation of the living age distribution, by age in years.

Delos year by year

Every year since 2001, and five-year steps back to 1880. Rank is within each sex.

Year Boys Boys rank
2025 – –
2024 – –
2023 – –
2022 – –
2021 – –
2020 5 #12,494
2019 – –
2018 – –
2017 6 #11,093
2016 – –
2015 – –
2014 – –
2013 – –
2012 – –
2011 – –
2010 – –
2009 – –
2008 – –
2007 – –
2006 – –
2005 – –
2004 – –
2003 – –
2002 – –
2001 – –
2000 – –
1995 – –
1990 6 #7,395
1985 – –
1980 6 #5,693
1975 – –
1970 6 #4,361
1965 – –
1960 10 #2,728
1955 15 #2,070
1950 10 #2,473
1945 13 #1,947
1940 15 #1,820
1935 26 #1,335
1930 30 #1,310
1925 38 #1,147
1920 35 #1,228
1915 23 #1,423
1910 9 #1,135
1905 5 #1,279
1900 – –
1895 8 #811
1890 9 #680
1885 – –
1880 7 #764

Frequently asked questions

Quick answers about Delos, drawn from the same Social Security data as the charts above.

How old is the average Delos?

The median living Delos is about 72 years old. Half of all living Deloss are between 64 and 82 years old.

How many people named Delos are alive today?

An estimated 300 people named Delos are alive in the United States, based on 1,324 recorded births and Social Security life tables.

How popular is the name Delos in 2025?

Delos did not appear in the 2025 Social Security data, which means fewer than five babies received the name that year.

How many people are named Delos?

1,324 babies have been named Delos in the United States since 1880, based on Social Security card applications.

When was the name Delos most popular?

Delos peaked in 1923, when 49 newborns received the name.

Is Delos a boy or girl name?

Delos is overwhelmingly a boy's name: 100% of babies with the name.

Is the name Delos rising or falling?

Delos has been roughly stable over the past decade.

Names like Delos

Names that sound and feel close to Delos: shared sounds, similar era, similar popularity. Each links to its full history.

Compare Delos with similar names → More names starting with D →