Lasby
surname · Latin script
Recorded for both men and women· direction only, no split published
Lasby is a surname written in the Latin script, with more bearers in the United States than in any other country.
- USUnited States1 in 3.1M(measured from records)
- NONorway1 in 249Kas Laasby
- DKDenmark1 in 345Kas Laasby
carrying the name, as counted by each country's national register. Where a country counts another spelling of the name rather than Lasby itself, the figure is that spelling’s, and it is named. One hue, darker where it is more common; hover a country for its figure.
- United States (measured from records)
- Sources
- 19 (measured from records)
- 1 in 3.1M (inferred from the name graph)
109 people, 2010
Highest-authority source
United States
measured from records inferred from the name graph
Spellings & scripts(measured from records)
Locally spelled Låsby in DK Denmark and Laasby in NO Norway.
Spellings marked ● are how people bearing the name write it in our records, and ○ marks a model's transliteration; click a spelling to open its page.
Meaning & origin
No verified etymology recorded for this name yet — the entries below are drawn from usage statistics and the name graph.
Attested in 1 language in the etymology graph.
Where in the world(measured from records)
Lasby counted together with the spellings and other-language forms grouped with it. Where a register counted another spelling, the row names it.
Sorted by bearers: national registers' counts, and Mondonomo's estimates (≈, est.) where no register counts.
| Country | Most common spelling | Sources | |||
|---|---|---|---|---|---|
| US United States | 109 | 1 in 3.1M | 140 | Lasby | 3 |
| NO Norway | 22as Laasby | 1 in 249K | 22 | Laasby | 10 |
| DK Denmark | 17as Laasby | 1 in 345K | 17 | Låsby | 19 |
| SE Sweden | — | — | 4 | — | — |
| CR Costa Rica | — | — | 1 | — | — |
109 people counted by Census Bureau — Surname Frequency 2010, 2010. Exact figures are national registers' own counts, while figures marked ≈ and est. are Mondonomo’s estimates, counted from our sources and calibrated against those registers; hover one for how far to trust it in that country. A dash means neither exists.
Registers cited: Danmarks Statistik — Hvor mange hedder...? (living-population name counts); Census Bureau — Surname Frequency 2010; Census Bureau — Surname Frequency 2020; SSB — Navnesøk (name-search service, living population); Skatteverket — Sök hur många som har ett visst namn (living population); TSE — electoral roll (padrón) names. Figures without a register are Mondonomo estimates; see Methodology.
Country figures for a list of names, at full precision, are available under licence rather than by scraping this table (how that works).
Evidence(measured from records)
Attested in 6 sources across 2 countries.
| Country | Register | Year | Count | Rank |
|---|---|---|---|---|
| US United States | Census Bureau — Surname Frequency 2020 | 2020 | 140 | #127,742 |
| US United States | Census Bureau — Surname Frequency 2000 | 2000 | 126 | #125,639 |
| US United States | Census Bureau — Surname Frequency 2010 | 2010 | 109 | #150,452 |
| US United States | wru Name Dictionary — US surnames, Census 2010 subset (Khanna et al.) | — | — | — |
Reference works 1
- Wikidata name items (native-script + romanized given/family names)
These works list the name; their figures are licensed and are not reproduced here.
Register rows as of the 2026-10-09 data build.
Frequently asked questions
- In which country does Lasby have the most bearers?
- In the United States, the national register counted about 109 people named Lasby, more than in any other country we hold, where it is most often spelled lasby.
- Where is Lasby most common?
- Lasby is densest in the United States, where the national register counts about 1 in 3.1 million people carrying it.
- How common is the name Lasby?
- In the United States, the national register counted 109 people named Lasby in 2010, about 1 in 3.1 million residents.
What do you want to know about Lasby?
Nobody replies to these one by one, but what readers ask decides what these pages answer next.
Query this name via API
curl -H "X-API-Key: YOUR_KEY" https://api.mondonomo.ai/api/v1/name-graph/lasbyThe same payload this page is built from: spellings and scripts, countries and languages, related names, and the registers that attest the form. It takes a free API key (1,000 requests a day), and bulk access is licensed separately.
About this data
measured from records inferred from the name graph machine-generated
These figures come from the data snapshot of and will change as it is rebuilt.
Statistics are aggregated from the Mondonomo name corpus; related names and etymology are inferred from the name graph; pronunciation and any machine-marked transliterations are model-generated. Read how the numbers are made, including their known failure modes, and where the data comes from.
Reference works we consult — surname dictionaries, official name registers, Wikidata and Wiktionary — are named directly, beside the claims they support. The per-country source counts also include datasets of person records: we publish how many there are and their authority tier, but not their names.
Cite this page Mondonomo, “Lasby”. Data snapshot 2026-10-10.