Tchaikovsky Name Meaning, Origin and Heraldry
Tchaikovsky is an established spelling of the Polish surname Czajkowski.
Records show Tchaikovsky as one of the forms Czajkowski took over time. Spellings drifted because names were written down by ear in parish books, tax rolls and passenger lists.
Heraldry is personal: arms associated with the Czajkowski surname were borne by specific families, and sharing the name does not mean sharing the blazon. Want more than a summary? See the Tchaikovsky family name pack.