By country
The same rules applied to one registrar's data at a time. A name rising in Norway and falling in Ireland appears in both, under its own geography.
39 groupings, drawn from the 2,573 names with a recorded popularity standing (common, familiar, uncommon). A grouping with too few qualifying names is not published at all.
- Names that peaked at different times in different countries
Names with a real peak — inside the top 300, with recorded years either side of it — in two different official registrars, at least 20 years apart.
60 names currently qualify
- Names that peaked everywhere at once
Names with a real peak in at least 3 registrars, all falling within 8 years of each other.
60 names currently qualify
- Names spreading between countries
Names recorded by at least three registrars, at least two of which first recorded them within the last 20 years of the name's overall history.
44 names currently qualify
- Names ranked far higher in one country than another
Names inside the top 50 of one registrar's list and outside position 500 of another's, in the same year and the same published category.
60 names currently qualify
- Names recorded by every registrar
Names with official popularity records in all 7 live registrars.
60 names currently qualify
- Names recorded across borders earliest
Names a second registrar was already recording before 1970, and that at least three registrars have recorded.
60 names currently qualify
- Names recorded across four or more countries
Names with official popularity records in at least four of the seven live registrars.
60 names currently qualify
- Names that reached the top ten in England and Wales
Names that reached the top 10 of England and Wales's published list in at least one year.
60 names currently qualify
- Names that reached the top fifty in England and Wales
Names that reached the top 50 of England and Wales's published list, but never its top 10.
60 names currently qualify
- Longest records in England and Wales
Names with the longest span of published records in England and Wales, at least 25 years from first to last.
60 names currently qualify
- Names recorded every year in England and Wales
Names ranked in every published year of England and Wales's list across at least 20 years, with no gaps.
60 names currently qualify
- Names that reached the top ten in Northern Ireland
Names that reached the top 10 of Northern Ireland's published list in at least one year.
60 names currently qualify
- Names that reached the top fifty in Northern Ireland
Names that reached the top 50 of Northern Ireland's published list, but never its top 10.
60 names currently qualify
- Longest records in Northern Ireland
Names with the longest span of published records in Northern Ireland, at least 25 years from first to last.
60 names currently qualify
- Names recorded every year in Northern Ireland
Names ranked in every published year of Northern Ireland's list across at least 20 years, with no gaps.
60 names currently qualify
- Names recorded earlier in Republic of Ireland than elsewhere
Names Republic of Ireland's registrar recorded at least 10 years before any other live registrar recorded them, and that at least two others have since recorded.
60 names currently qualify
- Names that reached the top ten in Republic of Ireland
Names that reached the top 10 of Republic of Ireland's published list in at least one year.
60 names currently qualify
- Names that reached the top fifty in Republic of Ireland
Names that reached the top 50 of Republic of Ireland's published list, but never its top 10.
60 names currently qualify
- Longest records in Republic of Ireland
Names with the longest span of published records in Republic of Ireland, at least 25 years from first to last.
60 names currently qualify
- Names recorded every year in Republic of Ireland
Names ranked in every published year of Republic of Ireland's list across at least 20 years, with no gaps.
60 names currently qualify
- Names that reached the top ten in New South Wales, Australia
Names that reached the top 10 of New South Wales, Australia's published list in at least one year.
60 names currently qualify
- Names that reached the top fifty in New South Wales, Australia
Names that reached the top 50 of New South Wales, Australia's published list, but never its top 10.
60 names currently qualify
- Longest records in New South Wales, Australia
Names with the longest span of published records in New South Wales, Australia, at least 25 years from first to last.
60 names currently qualify
- Names recorded every year in New South Wales, Australia
Names ranked in every published year of New South Wales, Australia's list across at least 20 years, with no gaps.
60 names currently qualify
- Names recorded earlier in Norway than elsewhere
Names Norway's registrar recorded at least 10 years before any other live registrar recorded them, and that at least two others have since recorded.
60 names currently qualify
- Names that reached the top ten in Norway
Names that reached the top 10 of Norway's published list in at least one year.
60 names currently qualify
- Names that reached the top fifty in Norway
Names that reached the top 50 of Norway's published list, but never its top 10.
60 names currently qualify
- Longest records in Norway
Names with the longest span of published records in Norway, at least 25 years from first to last.
60 names currently qualify
- Names recorded every year in Norway
Names ranked in every published year of Norway's list across at least 20 years, with no gaps.
60 names currently qualify
- Names recorded only in Norway
Names that reached the top 300 in Norway and appear in no other live registrar's data.
60 names currently qualify
- Names that reached the top ten in New Zealand
Names that reached the top 10 of New Zealand's published list in at least one year.
60 names currently qualify
- Names that reached the top fifty in New Zealand
Names that reached the top 50 of New Zealand's published list, but never its top 10.
60 names currently qualify
- Longest records in New Zealand
Names with the longest span of published records in New Zealand, at least 25 years from first to last.
60 names currently qualify
- Names recorded every year in New Zealand
Names ranked in every published year of New Zealand's list across at least 20 years, with no gaps.
60 names currently qualify
- Names recorded by exactly 2 registrars
Names with official popularity records in exactly 2 of the 7 live registrars.
44 names currently qualify
- Names recorded by exactly 3 registrars
Names with official popularity records in exactly 3 of the 7 live registrars.
29 names currently qualify
- Names recorded by exactly 4 registrars
Names with official popularity records in exactly 4 of the 7 live registrars.
58 names currently qualify
- Names recorded by exactly 5 registrars
Names with official popularity records in exactly 5 of the 7 live registrars.
60 names currently qualify
- Names recorded by exactly 6 registrars
Names with official popularity records in exactly 6 of the 7 live registrars.
60 names currently qualify