Todorov is a patronymic surname formed from Todor, a personal name equivalent to Theodore. The Dictionary of American Family Names identifies both Bulgarian and Macedonian usage. Its family-name sense is “descendant of Todor”; the more literal formation is “Todor's.” This explains the name's structure, but does not identify a particular ancestor or establish a bearer's nationality. See the Todorov dictionary entry.
From Todor to Todorov
The Bulgarian Cyrillic forms are Тодор (Todor) and Тодоров (Todorov). The surname adds the ending -ов / -ov to the personal name. A study by Anna Choleva-Dimitrova and colleagues explains that Bulgarian patronymic formations in -ov, -ev, and -in developed from possessive adjectives. This makes “Todor's” a useful grammatical explanation, while “son or descendant of Todor” expresses the naming relationship. See their discussion of patronymics, p. 258.
The deeper meaning belongs to the given name. Theodore derives from Greek Theodōros, combining theos, “God,” and dōron, “gift.” Thus “gift of God” explains the personal name behind Todor, rather than translating the whole surname Todorov. The dictionary associates Theodore's historical popularity with its auspicious meaning and early Christian saints. Read the Theodore entry.
A Greek-derived Christian name can be used to form a Bulgarian surname. The language of that distant root does not establish Greek ancestry for a Todorov family. Equally, the dictionary's Bulgarian and Macedonian classification describes naming traditions, not two proven branches of one family.
When a Father's Name Became a Family Name
Bulgarian naming history does not provide one date on which every Todorov family acquired a hereditary surname. Choleva-Dimitrova and colleagues place the official introduction of the three-part system—given name, father's name, and family name—in the late nineteenth century. They distinguish this system from older naming practices and explain that many surnames preserve earlier kin names. See pp. 251 and 259–260.
That history provides context, not a first recorded Todorov. To demonstrate inheritance in a particular family, compare connected generations: does Todorov remain the family name when the father's given name changes? An isolated person called Todorov may instead have been identified through his own father, Todor. The same productive naming pattern could identify unrelated households; there is no reason to combine them into a single lineage without records connecting them.
Our Slavic surname guide places this formation alongside other regional traditions. The comparable surnames Ivanov and Petrov illustrate why a shared ending is useful linguistic evidence but cannot establish kinship.
Todorov as a Middle Name or Surname
In Bulgarian records, a father-derived middle name and an inherited surname can have exactly the same ending. The Slavic Cataloging Manual gives a particularly relevant example: Evgeni Todorov Apostolov, also recorded as Evgeni Apostolov. Here Todorov occupies the patronymic position; Apostolov is the surname. The manual also documents people using their patronymic in place of their family name. See “Bulgarian Personal Names,” sections 1–3.
For research, copy the complete name and the record's field labels before deciding which element to search as the surname. A two-part name in an index may omit information that survives in the original document. Do not infer that an inherited surname Todorov means the person's father was named Todor. The guide to distinguishing given names from surnames in records offers a broader method for resolving uncertain name roles.
Todorova, Todoroff, and Related Names
Todorova / Тодорова is the feminine form of Todorov, explicitly identified as such in the surname dictionary. Search it alongside the masculine form when looking for women in the family. The grammatical difference alone does not imply a different lineage. See the Todorova entry.
Todoroff is a documented westernized form of Bulgarian and Macedonian Todorov. It belongs in a spelling search, especially when tracing a family between countries. A shared spelling possibility still needs confirmation through dates, relatives, and places. See the Todoroff entry.
Theodore is related through the personal-name root, but is not an automatic alternative spelling of Todorov. A translated or adopted family name must be demonstrated in that family's records; linguistic equivalence cannot supply the missing documentary link. Keep original spellings and proposed connections separately in the spelling variant tracker.
How Common Is Todorov in Bulgaria?
Bulgaria's National Statistical Institute reported 52,139 men named Todorov and 54,275 women named Todorova in its Names in Bulgaria 2018, marked preliminary data. Both forms appear eighth in their respective lists of the ten most popular surnames. These are counts of people under the two surname forms in Bulgaria for 2018—not numbers of families, newborns, or present-day bearers worldwide. See the surname chart, PDF p. 4.
This frequency makes a surname-only match weak evidence. The national figures do not identify an ancestral village or show whether two Todorov households were related.
Tracing a Particular Todorov Family
Build the search around a documented person and locality, using the surname's specific difficulties to guide the next step:
- Preserve the full name in both scripts. Record Todorov, Todorova, or Todoroff exactly as written, together with the given name and any patronymic. Keep an image or precise citation so that an indexer's interpretation can be checked.
- Identify the town or village before searching broadly. For an emigrant, compare marriage, naturalization, and passenger records for a birthplace, parents, or a contact in the place of origin. Treat a country-only birthplace as an incomplete lead.
- Compare relatives across generations. Use parents, spouses, dates, and residence to decide whether a shifting final name reflects the same family. Record separately whether Todorov functions as a patronymic, surname, or uncertain element in each document.
- Ask about records for the locality and period. Bulgaria's State Archives Agency lists its regional archives. Use that directory to identify an appropriate starting point and ask which civil, church, or family records survive for the settlement and dates concerned. Confirm holdings and access before assuming a register exists or is online. State Archives Agency and regional archive directory.
- Separate people with matching names. Compare the full name, spouse, occupation, and address before attaching a record. A mismatch should remain visible in the surname evidence checklist, even if other details look promising.
The strongest result is a documented chain linking your family to particular records. The etymology can explain why the name was possible; only that chain can show how your ancestors used it.
References
- Patrick Hanks, ed. Dictionary of American Family Names. Oxford University Press, 2003; FamilySearch reproductions carry a 2003, 2006 copyright credit. Entries Todorov, Todorova, Todoroff, and Theodore.
- Anna Choleva-Dimitrova, Nadezhda Dancheva, Maya Vlahova-Angelova, and Gergana Petkova. “Are Contemporary Bulgarian Personal Names Still Indicative of a Bulgarian Identity?” Onoma 55 (2020): 247–266; published online 28 July 2021. Relevant discussion: pp. 251, 258–260. DOI: 10.34158/ONOMA.55/2020/14.
- Slavic Cataloging Manual. “Bulgarian Personal Names.” Revised 14 September 2015, sections 1–3 and the Evgeni Todorov Apostolov example.
- National Statistical Institute, Bulgaria. *Names in Bulgaria 2018* (preliminary data). “The Most Popular Surnames 2018,” PDF p. 4.
- State Archives Agency, Bulgaria. Official website and regional archive directory. Undated directory; accessed 7 September 2026.