SURNAMEEntry 3,170

Köksoy

Köksoy /cøcˈsoj/ ASCII Koksoy

“deep-rooted lineage”1

Probable origin Köksoy: root entries for kök + soy · How do we know?

Published: Last updated:

Letters / syllables
6 / 2
Formation
Compound
Vowel harmony
mixed
Initial
K
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How do you pronounce Köksoy?

Köksoy

IPA /cøcˈsoj/

The stress usually falls on syllable 2 (marked). In everyday Turkish, stress in surnames varies by speaker and region.

What does the surname Köksoy mean?

Formed from kök and soy, the name means “deep-rooted lineage”. In Old Turkic kök meant both a plant root and, figuratively, “foundation, origin”; soy means “lineage, descent”.1,2

Grammar kök + soy.

That Köksoy goes back to kök and soy is probable rather than proven: the dictionaries cited agree on it.

What is Köksoy made of?

Köksoy is Turkic in origin and breaks into 2 parts: kök (root; origin) + soy (lineage).

Köksoy + root kök root; origin TURKIC kök “root; foundation” root soy lineage TURKIC soy “lineage, descent” Köksoy kök root root; origin kök TURKIC “root; foundation” soy root lineage soy TURKIC “lineage, descent”
Köksoy: parts and root words

How was the name Köksoy formed?

Köksoy was formed by joining kök (“root; origin”) and soy (“lineage”).

Shared note · 1934Surnames became compulsory with Surname Law No. 2525 of 21 June 1934.4

Which surnames are related to Köksoy?

Köksoy Aksoy Köksal Gürsoy Ulusoy Özsoy Ersoy
Circle area shows the number of bearers; dashed circle: no national count published. Solid line: same root; dashed line: same affix.
#SurnameRelationRankPeople
01 Aksoy same root – –
02 Köksal same root – –
03 Gürsoy same root – –
04 Ulusoy same root – –
05 Özsoy same root – –
06 Ersoy same root – –
07 Soysal same root – –
08 Soylu same root – –
09 Atasoy same root – –
10 Şensoy same root – –
11 Soydan same root – –
12 Kök same root – –

Who are some well-known people named Köksoy?

  1. Özcan Köksoy association football player 1940–2022
  2. Mümin Köksoy writer 1934–2017
  3. Baybars Köksoy researcher
  4. Sadi Köksoy researcher

People surnamed Köksoy as recorded in Wikidata, ordered by the number of Wikipedia language editions.

How is Köksoy written and pronounced abroad?

Without Turkish letters the name appears as Koksoy in passports and foreign registers.

Which surnames have a meaning similar to Köksoy?

Soykök, Akkök and Soylu share gloss keywords with Köksoy within the same primary category.

Which guides add context to Köksoy?

Read the root, formation and register information for Köksoy alongside these guides: How Turkish Surnames Are Formed: Roots and Suffixes and How to Pronounce and Spell Turkish Surnames.

Where do these facts come from?

  1. 1 Sevan Nişanyan Nişanyan Sözlük: kök accessed 8 November 2026
  2. 2 Wikimedia Vikisözlük: soy accessed 9 November 2026
  3. 3 Wikimedia Foundation Wikidata: people with this family name accessed 8 November 2026
  4. 4 T.C. Resmî Gazete / Mevzuat Bilgi Sistemi (mevzuat.gov.tr) Soyadı Kanunu (Kanun No. 2525) accessed 8 November 2026

Common questions about Köksoy

Q1

What does the surname Köksoy mean?

Formed from kök and soy, the name means “deep-rooted lineage”. In Old Turkic kök meant both a plant root and, figuratively, “foundation, origin”; soy means “lineage, descent”.
Q2

What is the origin of the surname Köksoy?

Köksoy is made up of two elements: kök “root; foundation” (Turkic) and soy “lineage, descent” (Turkic).
Q3

How do you pronounce Köksoy?

Kök·soy, 2 syllables; IPA: /cøcˈsoj/.