Türkiye Soyadları A sourced dictionary of Turkish surnames

SURNAMEEntry 4,648

Tosyalıoğlu

Tosyalıoğlu /tosjaɫɯoːˈɫu/ ASCII Tosyalioglu

“son of the man from Tosya”1

Probable origin Tosyalıoğlu: root entries for Tosya · How do we know?

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Letters / syllables
11 / 5
Formation
Patronymic
Vowel harmony
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Initial
T
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How do you pronounce Tosyalıoğlu?

Tosyalıoğlu

IPA /tosjaɫɯoːˈɫu/

The stress usually falls on syllable 5 (marked). In everyday Turkish, stress in surnames varies by speaker and region.

What does the surname Tosyalıoğlu mean?

Tosyalıoğlu means “son of the man from Tosya”, a district of Kastamonu. The name Tosya is traced to Greek Theodosia or Dokeia.1

That Tosyalıoğlu goes back to Tosya is probable rather than proven: the dictionary entry cited supports it.

What is Tosyalıoğlu made of?

Tosyalıoğlu is Greek in origin and breaks into 3 parts: Tosya (Tosya: district of Kastamonu) + -lı (suffix of origin) + -oğlu (patronymic suffix).

Tosyalıoğlu ++ root Tosya Tosya: district ofKastamonu GREEK Tosya “district of Kastamonu;name traced to Greek…” suffix -lı suffix of origin suffix -oğlu patronymic suffix Tosyalıoğlu Tosya root Tosya: district of Kastamonu Tosya GREEK “district of Kastamonu; nametraced to Greek Theodosia or…” -lı suffix suffix of origin -oğlu suffix patronymic suffix
Tosyalıoğlu: parts and root words
  • Tosya Greek — district of Kastamonu; name traced to Greek Theodosia or Dokeia1

How was the name Tosyalıoğlu formed?

Tosyalıoğlu was formed by adding -lı, “son of”, to Tosya (“Tosya: district of Kastamonu”).

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

How is Tosyalıoğlu written and pronounced abroad?

In English-language records it often appears as Tosyalioglu.

Which surnames have a meaning similar to Tosyalıoğlu?

Develioğlu, Tokatlıoğlu and Alanyalıoğlu share gloss keywords with Tosyalıoğlu within the same primary category.

Which guides add context to Tosyalıoğlu?

Read the root, formation and register information for Tosyalıoğlu 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 Wikimedia Wiktionary: Tosya accessed 9 November 2026
  2. 2 Wikimedia Vikisözlük: Tosya accessed 9 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 Tosyalıoğlu

Q1

What does the surname Tosyalıoğlu mean?

Tosyalıoğlu means “son of the man from Tosya”, a district of Kastamonu. The name Tosya is traced to Greek Theodosia or Dokeia.
Q2

What is the origin of the surname Tosyalıoğlu?

The root word of Tosyalıoğlu is Tosya (Greek): “district of Kastamonu; name traced to Greek Theodosia or Dokeia”.
Q3

How do you pronounce Tosyalıoğlu?

Tos·ya·lı·oğ·lu, 5 syllables; IPA: /tosjaɫɯoːˈɫu/.