Tiago
Torn between Tiago and another name? Compare them side by side →
Meaning
a Portuguese form of James, derived from Santiago
The story
Tiago began with a change in where people heard a name start. Iago was an older Portuguese and Galician form of Jacob, in the same name family as English James. Sant’Iago meant "Saint Iago." When that phrase came to be understood as São Tiago, also meaning "Saint Tiago," the t moved from the saint’s title into the personal name. Santiago keeps the joined form. Thiago is a Brazilian Portuguese spelling of Tiago.
The saint behind Santiago de Compostela is James the Greater. A shrine in that Galician city is traditionally identified with his tomb, and it became a major destination for medieval pilgrims from across Europe. The Codex Calixtinus, a medieval collection associated with Compostela, brought together texts for worship, stories of the saint and his miracles, and practical information for the journey. His feast day is July 25.
Tiago also appears in Portuguese Bible printing. Almeida’s New Testament, printed in Amsterdam in 1681, uses it in the heading of the Letter of James. In Brazil’s 2022 census, the largest completed birth-decade group among residents named Tiago was the 1980s. The census counts Tiago and Thiago separately.
Portuguese theatre maker Tiago Rodrigues made remembering a shared activity in By Heart. He says the work began with a request from his grandmother, who was losing her sight: she wanted him to choose a final book for her to memorize. During the performance, ten spectators learn a Shakespeare sonnet together. They keep the words available without needing to read them from a page, continuing the act of memory that Rodrigues describes in his grandmother’s request.
How popular is Tiago around the world?
In the United States, 1,088 babies were named Tiago between 2020 and 2025. In Montevideo, 49 boys named Tiago were born in 2011, spelling variants counted together.
Tiago is on the official records of the United States, Montevideo, Brazil, France, Austria, Argentina, Canada, England and Wales, Chile, Mexico City, Scotland, Spain, Ireland, South Australia and Poland.
Tiago crosses languages: it is in the latest top 300 of a Spanish-speaking record and of Brazil’s 2022 census, which counts people of every age. The full list: Spanish and Portuguese
United States
1 in 20,000
In the United States, 1,088 babies were named Tiago between 2020 and 2025.
Shape drawn from US Social Security baby-name records. Tiago peaked in the 2000s and the 2020s in nearly equal measure.
Births with a Social Security record. Source: U.S. Social Security Administration
Montevideo City
1 in 5002011
In Montevideo, 49 boys named Tiago were born in 2011, spelling variants counted together.
share of that year’s births on record
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
Brazil
1 in 560
At the 2022 census, 363,388 people in Brazil were named Tiago, the 76th most common name, with a median age of 30.
Among people named Tiago living in Brazil at the 2022 census, more were born in the 1980s than in any other decade.
people alive at the 2022 census, by decade of birth
The census also counted 6,508 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
France
1 in 840
In France, about 770 boys named Tiago were born in 2025, the 79th most common name among boys 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)
Austria
1 in 7,600
In Austria, 10 boys named Tiago were born in 2025, the 467th most common name among boys that year, spellings that differ only by special characters counted together.
share of that year’s births on record
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)
Argentina
1 in 7,700
In Argentina, 86 newborns were given the name Tiago in 2024.
share of that year’s name registrations
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
Canada
1 in 8,500
In Canada, 43 boys named Tiago were born in 2024, the 641st most common name 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)
England and Wales
1 in 8,700
In England and Wales, 67 boys named Tiago were born in 2025, the 578th most common name 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
Chile
1 in 11,000
In Chile, 16 boys were registered as Tiago in 2021, every accent spelling counted together.
share of that year’s name registrations
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
Mexico City City
1 in 13,000
In Mexico City, there were 9 registrations of Tiago in 2022.
share of that year’s registrations in the city
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 (1 registration through 3 Mar) is excluded as partial. Source: Registro Civil of Mexico City, open data portal, registered given names 2000-2023
Scotland
1 in 15,000
In Scotland, 3 boys named Tiago were registered in 2024, the 727th most common name among boys that year.
The count never rose above 4 in a year, too few to chart.
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
Spain
1 in 18,000
In Spain, 2,497 residents are named Tiago, the 701st most common name among men, with a mean age of 13.5 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
Ireland
1 in 18,000
In Ireland, 3 boys named Tiago were born in 2025, the 829th most common name among boys that year.
The count never rose above 5 in a year, too few to chart.
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
South Australia
1 in 18,0002017
In South Australia, 1 boy was registered as Tiago in 2017.
The count never rose above 3 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
Poland
1 in 49,000
In Poland, 5 boys named Tiago were born in 2025, the 445th most common name among boys that year.
The count never rose above 9 in a year, too few to chart.
First names given to children born in Poland by year of birth, 2000–2025, from the PESEL population register (Ministry of Digital Affairs); exact spellings count separately (Łukasz and Lukasz are different names), names given fewer than 5 times in a year were left off the list through 2012 and fewer than 2 times from 2013, and the register also counts children born abroad, so its yearly sums run above Poland’s live births. Shares divide by the register’s own published total for the year, never by births. Source: Ministry of Digital Affairs, PESEL register (dane.gov.pl)
Puerto Rico
last on record 2024
Tiago is not on the 2025 record for Puerto Rico, which withholds births under 5, and 107 babies have carried the name there since 1998.
share of that year’s births on record
First given name only, from Social Security records of births in Puerto Rico; any name-sex-year under 5 births is withheld at source. Shares divide by the Puerto Rico Demographic Registry’s count of births on the island; the 2025 count is provisional. Source: U.S. Social Security Administration, territory name file (Puerto Rico)
Not on the record in New Zealand: that registry withholds small counts, so rare uses may sit below its floor.
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 Tiago
Most people given the name Tiago in the United States are children or teenagers today. The name belongs to this generation.
Estimated from US Social Security birth registrations and typical lifespans; a rough guide, not a rule.
The Tiago deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Tiago 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 Tiago fits with your family’s names and surname.
Does Tiago fit YOUR family?
nametree reads your family’s names and finds the ones that belong. Free, private, no ads.
Add Tiago to your family’s tree →