Dark; coal-town
A modern spelling variation of Colby, which originated as an English surname derived from Old Norse elements meaning 'dark' or 'coal' and 'settlement'. While traditionally masculine, this spelling is often used for girls in the United States.
Less common today
Kolbie isn't in the latest US Top 1000. It last peaked at #1,906 in 2025.
US births per 5-year period, 1990–present (SSA data).
A character in the romantic novel series 'The O'Donnells' · The O'Donnells series
