Bacalso

surname · Latin script

Recorded for both men and women· direction only, no split published

Bacalso is a surname written in the Latin script, with more bearers in the Philippines than in any other country.

rarermore common
  • PHPhilippines≈1 in 6.1K(inferred from the name graph)
  • IDIndonesia≈1 in 51K
  • KWKuwait≈1 in 118K

carrying the name, as counted by its national register where one exists and as Mondonomo estimates it elsewhere (marked ≈ and "est." on hover). One hue, darker where it is more common; hover a country for its figure.

Philippines (inferred from the name graph)

≈18,000 people, est.

Sources
78 (measured from records)

Highest-authority source

≈1 in 6.1K (inferred from the name graph)

Philippines, est.

measured from records inferred from the name graph

Meaning & origin

No verified etymology recorded for this name yet — the entries below are drawn from usage statistics and the name graph.

Where in the world(measured from records)

Bacalso 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.

Where Bacalso is recorded, by country
CountryMost common spellingSources
PH Philippines#327≈18,000 est.≈1 in 6.1K—Bacalso66
CN China—≈7,000 est.≈1 in 200K—Bacalso1
ID Indonesia—≈5,300 est.≈1 in 51K—Bacalso4
US United States—1501 in 2.2M203Bacalso78
SA Saudi Arabia—≈140 est.≈1 in 254K—Bacalso8
KW Kuwait—≈25 est.≈1 in 118K—Bacalso5
QA Qatar—≈14 est.≈1 in 181K—Bacalso5

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 2020. 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 8 sources across 2 countries.

Official registers attesting Bacalso
CountryRegisterYearCountRank
US United StatesCensus Bureau — Surname Frequency 20202020203#96,193
US United StatesCensus Bureau — Surname Frequency 20102010150#116,201
US United Stateswru Name Dictionary — US surnames, Census 2010 subset (Khanna et al.)———

Reference works 2

  • Nederlandse FamilienamenBank (Dutch surname bank; ex-Meertens Instituut, now CBG)2007
  • 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 Bacalso have the most bearers?
Mondonomo estimates about 18 thousand people named Bacalso in the Philippines, more than in any other country we hold, where it is most often spelled bacalso.
How common is the name Bacalso?
In the United States, the national register counted 150 people named Bacalso in 2010, about 1 in 2.2 million residents.
How common is Bacalso compared with other names?
In the Philippines, Bacalso is the 327th most common surname of 876,464 surnames recorded there.

What do you want to know about Bacalso?

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Query this name via API
curl -H "X-API-Key: YOUR_KEY" https://api.mondonomo.ai/api/v1/name-graph/bacalso

The 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, “Bacalso” — the 327th most common surname in Philippines. Data snapshot 2026-10-10.

See how Bacalso parses inside a full name →