Türkiye Soyadları A sourced dictionary of Turkish surnames

SURNAMEEntry 3,319

Onbaşı

Onbaşı /onbaˈʃɯ/ ASCII Onbasi

“corporal”2

Letters / syllables
6 / 3
Formation
Compound
Vowel harmony
back
Initial
O
Contents§1–§9
  1. §1Pronunciation
  2. §2Meaning
  3. §3Root tree
  4. §4Formation & 1934
  5. §5Name family
  6. §6Abroad
  7. §7Sources
  8. §8Questions
  9. §9Related

How do you pronounce Onbaşı?

Onbaşı

IPA /onbaˈʃɯ/

The stress usually falls on syllable 3 (marked). In everyday Turkish, stress in surnames varies by speaker and region.

What does the surname Onbaşı mean?

Onbaşı is the lowest non-commissioned rank, the corporal. It is formed from on ‘ten’ and baş ‘head’, originally ‘head of ten men’. Yüzbaşı ‘captain’ and binbaşı ‘major’ are built on the same pattern.2

Grammar on + baş + possessive -ı.

Onbaşı is also an ordinary word in everyday Turkish.

What is Onbaşı made of?

Onbaşı is Turkic in origin and breaks into 3 parts: on (on: ten) + baş (baş: head, leader) + -ı (possessive suffix).

Onbaşı ++ root on on: ten TURKIC onbaşı “corporal; head of ten” root baş baş: head, leader suffix -ı possessive suffix Onbaşı on root on: ten onbaşı TURKIC “corporal; head of ten” baş root baş: head, leader -ı suffix possessive suffix
Onbaşı: parts and root words
  • onbaşı Turkic — corporal; head of ten2

How was the name Onbaşı formed?

Onbaşı was formed by adding the suffix -ı (“possessive suffix”) to on + baş.

Shared note · 1934Surnames became compulsory with Surname Law No. 2525 of 21 June 1934.3

Which surnames are related to Onbaşı?

Onbaşı Akbaş Baş Subaşı Başer Kocabaş Erbaş Baştürk Demirbaş Başkan Başoğlu Yüzbaşıoğlu Odabaş
Circle area shows the number of bearers; dashed circle: no national count published. Solid line: same root; dashed line: same affix.
#SurnameRelationRankPeople
01 Akbaş same root – –
02 Baş same root – –
03 Subaşı same root – –
04 Başer same root – –
05 Kocabaş same root – –
06 Erbaş same root – –
07 Baştürk same root – –
08 Demirbaş same root – –
09 Başkan same root – –
10 Başoğlu same root – –
11 Yüzbaşıoğlu same root – –
12 Odabaş same root – –

How is Onbaşı written and pronounced abroad?

Outside Türkiye the name is usually written Onbasi.

Where do these facts come from?

  1. 1 Wikimedia Vikipedi: Onbaşı (soyadı) accessed 8 November 2026
  2. 2 Wikimedia Wiktionary: onbaşı accessed 8 November 2026
  3. 3 T.C. Resmî Gazete / Mevzuat Bilgi Sistemi (mevzuat.gov.tr) Soyadı Kanunu (Kanun No. 2525) accessed 8 November 2026

Common questions about Onbaşı

Q1

What does the surname Onbaşı mean?

Onbaşı is the lowest non-commissioned rank, the corporal. It is formed from on ‘ten’ and baş ‘head’, originally ‘head of ten men’. Yüzbaşı ‘captain’ and binbaşı ‘major’ are built on the same pattern.
Q2

What is the origin of the surname Onbaşı?

Onbaşı is made up of two elements: on “ten” (Turkic) and baş “head, leader” (Turkic).
Q3

How do you pronounce Onbaşı?

On·ba·şı, 3 syllables; IPA: /onbaˈʃɯ/.