Lortz
surname · Latin script
Meaning: from Laurentius or from ndrh
(measured from records)Officially recorded in 4 countries · latest register: Census Bureau, 2020
Lortz is a surname written in the Latin script, with more bearers in the United States than in any other country.
- DEGermany≈1 in 140Kfew records(inferred from the name graph)
- CACanada≈1 in 320Kfew records
- USUnited States1 in 494K
carrying the name, as counted by its national register where one exists and as Mondonomo estimates it elsewhere (marked ≈ and "est." on hover). Countries with no figure are shown too: flat where a national register lists the name without counting it, hatched where only our records hold it. One hue, darker where it is more common; hover a country for its figure.
- United States (measured from records)
- Record sources
- 165 (measured from records)
- ≈1 in 99K (inferred from the name graph)
673 people, 2010
corpus datasets behind its best-documented spelling
strongest: highest-authority source
Belize, est.
measured from records inferred from the name graph
Meaning & origin
(measured from records)from Laurentius or from ndrh. lorz/lurz 'left'
Cited for this meaning 1
- Deutsche Namenkunde: Unsere Familiennamen nach ihrer Entstehung und Bedeutung
Where in the world
(measured from records)Lortz 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.
673 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: Census Bureau — Surname Frequency 2010; Census Bureau — Surname Frequency 2000; INSEE — Fichier des noms de famille (1891–2000). 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).
Other recorded senses
(measured from records)Lortz is also recorded in one other lexicon, as a different name or as an ordinary word. These are senses of the spelling, not of the name above.
from a reduced form of the personal name Lorenz. Lo Russo (815) Southern Italian (ApuUa): nickname for someone with red hair, from russo, rosso, with the definite article lo. See Russo.
as a nameDictionary of American Family Names
Ordered by how much of this spelling's record each language holds, so a sense from a language the name is barely used in sits last rather than first.
Notable people with this name
(measured from records)- Joseph Lortzb. 1887DEGerman Church historian (1887–1975)
- Helmut Lortzb. 1920DEGerman graphic designer and illustrator (1920-2007)
- Dietrich Lortzb. 1935DEGerman physicist
- Roland Lortzb. 1937DEGerman weightlifter (1937–2007)
- Frank Lortzb. 1953DEGerman politician
The ten people covered by the most Wikipedia language editions — a proxy for cross-cultural notability, which favours historical and Western figures over equally prominent contemporary ones — shown by birth year. Source: Wikidata (CC0).
How to address them
(machine-generated)Evidence
(measured from records)12 registers and reference works attest this spelling, across 4 countries.
| Country | Register | Year | Count | Rank |
|---|---|---|---|---|
| US United States | Census Bureau — Surname Frequency 2000 | 2000 | 693 | #31,563 |
| US United States | Census Bureau — Surname Frequency 2020 | 2020 | 690 | #35,190 |
| US United States | Census Bureau — Surname Frequency 2010 | 2010 | 673 | #33,810 |
| FR France | INSEE — Fichier des noms de famille (1891–2000) | 1901 | 22 | — |
| FR France | INSEE — Fichier des noms de famille (1891–2000) | 1981 | 16 | — |
| FR France | INSEE — Fichier des noms de famille (1891–2000) | 1951 | 14 | — |
| FR France | INSEE — Fichier des noms de famille (1891–2000) | 1921 | 14 | — |
| FR France | INSEE — Fichier des noms de famille (1891–2000) | 1891 | 14 | — |
| FR France | INSEE — Fichier des noms de famille (1891–2000) | 1961 | 13 | — |
| FR France | INSEE — Fichier des noms de famille (1891–2000) | 1931 | 12 | — |
| FR France | INSEE — Fichier des noms de famille (1891–2000) | 1941 | 11 | — |
| FR France | INSEE — Fichier des noms de famille (1891–2000) | 1991 | 6 | — |
Reference works 3
- Dictionary of American Family Names
- Wikidata name items (native-script + romanized given/family names)
- Rymut, Słownik nazwisk współcześnie w Polsce używanych (10 vols, IJP PAN, Kraków 1992–1994) — every Polish surname in the PESEL register at the end of 1990, with bearer counts nationally and per voivodeship1990
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
- Where does the name Lortz come from?
- from Laurentius or from ndrh. lorz/lurz 'left' Recorded by Deutsche Namenkunde: Unsere Familiennamen nach ihrer Entstehung und Bedeutung.
- What does the name Lortz mean?
- Recorded meaning: from Laurentius or from ndrh.
- In which country does Lortz have the most bearers?
- In the United States, the national register counted about 673 people named Lortz, more than in any other country we hold, where it is most often spelled lortz.
- How common is the name Lortz?
- In the United States, the national register counted 673 people named Lortz in 2010, about 1 in 494 thousand residents.
What do you want to know about Lortz?
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/lortzThe 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), which returns what this page shows everyone; the full country table, every register citation and the year-by-year series come with a licensed key, as does bulk access.
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, “Lortz”. Data snapshot 2026-10-13.