Shannon
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Meaning
traditionally old, wise river
The story
Shannon is Ireland's great river worn as a name, traditionally read as old, wise water, from the goddess Sionna of the legends, and it is the longest river in Ireland, which gives the name a geography to match its mythology. American use starts in the 1900s, and the peak arrives in the 1970s at the height of the Irish-heritage wave, when Shannon served sons and daughters almost equally before settling decisively toward girls. The decline since has been long and steady, the classic arc of a name that owned its moment completely. Shannon's story mirrors Kelly's almost beat for beat, a surname-and-place sound that defined a mid-century American generation, and underneath the era's nostalgia the actual river keeps moving, still old, still wise.
How popular is Shannon around the world?
In the United States, 918 babies were named Shannon between 2020 and 2025. In South Australia, 2 girls were registered as Shannon in 2017.
Shannon is on the official records of the United States, South Australia, Ireland, Montevideo, Canada, Mexico City, France, England and Wales, Spain and Brazil.
United States
1 in 24,000
In the United States, 918 babies were named Shannon between 2020 and 2025.
Shape drawn from US Social Security baby-name records. Shannon peaked in the 1970s.
Births with a Social Security record. Source: U.S. Social Security Administration
South Australia
1 in 9,2002017
In South Australia, 2 girls were registered as Shannon in 2017.
share of that year’s name registrations
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
Ireland
1 in 18,000
In Ireland, 3 girls named Shannon were born in 2025, the 885th most common name among girls that year.
share of that year’s name registrations
Exact registered spellings from Irish vital statistics; any name under 3 in a year is withheld at source, and accented spellings (fadas) are recorded reliably only from 2018. Source: Central Statistics Office (Ireland), Irish babies' names
Montevideo City
1 in 25,0002011
In Montevideo, 1 girl named Shannon was born in 2011, spelling variants counted together.
The count never rose above 4 in a year, too few to chart.
Births in the department of Montevideo (not all of Uruguay) by first name and year of birth, 1940–2011, from the city’s civil registry, which writes names in capitals, almost always without accents; counted as spelling groups (accent and punctuation variants merged), nothing is withheld at source, and 2012 is excluded as a partial year. Source: Servicio de Registro Civil, Intendencia de Montevideo, Partidas de Registro Civil de Montevideo (Licencia de Datos Abiertos - Uruguay); 2012 dropped as partial
Canada
1 in 37,000
In Canada, 10 girls named Shannon were born in 2024, ranked 2,104th among girls 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)
Mexico City City
1 in 39,000
In Mexico City, there were 3 registrations of Shannon in 2022.
The count never rose above 9 in a year, too few to chart.
Civil-registry acts in Mexico City by registration year. Counts are lower bounds (names under 6 in a month and borough are removed at source) and count name-instances, not people; compound names are split, so “Maria Jose” counts under each part. 2023, a partial extract through 3 Mar with no cell on record for this name, is excluded. Source: Registro Civil of Mexico City, open data portal, registered given names 2000-2023
France
1 in 43,000
In France, about 15 girls named Shannon were born in 2025, ranked 2,022nd among girls that year.
share of that year’s births on record
Births in France by year of birth, from INSEE’s fichier des prénoms (1900–2025; Mayotte from 2012); exact spellings count separately (Léo and Leo are different names), any spelling under 3 in a year and sex is withheld at source, every count is rounded to the nearest 5 at source, and nametree keeps the spellings that reached 20 in some year. Shares divide by INSEE’s count of births in France from 1957, and before that by the file’s own total for the year; INSEE says the file is not complete before 1946. Source: Insee, fichier des prénoms (last updated 2026-07-16)
England and Wales
1 in 45,000
In England and Wales, 13 girls named Shannon were born in 2025, ranked 2,138th among girls 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
Spain
1 in 750,000
In Spain, 60 residents are named Shannon, ranked 11,898th among women, with a mean age of 22.2 years.
Residents of Spain on 1 January 2025. Spain publishes how old a name’s living bearers are, not a birth series, so there is no year chart. Source: INE (Spain), Censo de Población anual, 1 January 2025
Argentina
last on record 2021
Shannon is not on the 2024 record for Argentina, where small counts are withheld at source.
The count never rose above 7 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
Austria
last on record 2017
Shannon is not on the 2025 record for Austria, which publishes every first name down to a single birth, so the name was not given there that year.
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)
Brazil
At the 2022 census, 49 people in Brazil were named Shannon, ranked 67,613th, with a median age of 28.
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
Chile
last on record 2020
Shannon is not on the 2021 record for Chile, where nametree keeps the spellings that reached 5 registrations in some year.
The count never rose above 9 in a year, too few to chart.
First-name registrations with Chile’s civil registry by year of registration, 1920–2021, counted as spelling groups (Sofía, Sofia and Sofìa are one name, shown with its most-registered spelling); the registry withholds nothing, nametree keeps the groups that reached 5 registrations in some year, and shares divide by every registration of the year. Source: Servicio de Registro Civil e Identificación (Chile) via the guaguas package, first-name registrations 1920-2021
New South Wales
outside the top 100
Shannon is not in the 2025 top 100 for New South Wales.
share of that year’s top-100 registrations
New South Wales (not all of Australia) publishes only each year’s 100 most popular names per sex, so a missing year means below that top 100, not rare. Source: NSW Registry of Births, Deaths and Marriages, popular baby names
New Zealand
last on record 2010
Shannon is not on the 2025 record for New Zealand, where names under 10 in a year are excluded at source.
share of that year’s name registrations
First given names from New Zealand birth registrations, grouped by registration year; any name under 10 in a year is excluded at source. Shares divide by Stats NZ’s count of births registered to mothers living in New Zealand, under 1% below the registry’s own count. Source: Department of Internal Affairs (New Zealand), baby name popularity over time
Scotland
last on record 2019
Shannon is not on the 2024 record for Scotland, where spellings under 3 in total are suppressed at source.
share of that year’s name registrations
Births registered in Scotland; different spellings count separately but accents are merged at source, and any spelling under 3 in total is suppressed. Source: National Records of Scotland, babies' first names
Not on the record in Puerto Rico and Poland: those registries withhold small counts, so rare uses may sit below their floors.
Not on Norway’s list: Statistics Norway lists only first names carried by 200 or more living people, so rarer names are not shown.
When you meet Shannon
Most people given the name Shannon in the United States were born between 1970 and 1989. The Shannon you meet today is most often in her 40s or 50s.
Estimated from US Social Security birth registrations and typical lifespans; a rough guide, not a rule.
Keep exploring
The Shannon deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Shannon truly comes from, how it traveled, and what a century of records reveals. If you have grown a tree on nametree, it also considers how Shannon fits with your family’s names and surname.
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