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Heidi
Heidi is a girl's name. "Noble" or "of noble kind", from Adelheid (Adelaide).
Meaning
"Noble" or "of noble kind", from Adelheid (Adelaide).
Origin
German short form of Adelheid, from Germanic.
Name day
The traditional Estonian name day for Heidi is October 15. In Estonia and Finland that is a day to send a quick word of congratulation. Name-day calendars differ between countries and are updated from time to time, so the same name can fall on another date across the border.
More names
Mari
A short Estonian form of Maria (Miriam); the traditional meaning is often given as "beloved" or "wished-for child".
Kadri
Usually linked to the Greek for "pure". Kadripäev on 25 November is an old Estonian folk celebration.
Anu
"Grace" or "favour", from Hannah. Short, and very common across the Baltics and Nordics.
Anne
"Grace" or "favour", from Hannah. Widespread in Estonia, Finland and the Nordics.
Liis
"God is my oath." A friendly short form used as a name in its own right.
Marta
"Lady" or "mistress of the house".
Source: Traditional Estonian name-day calendar; etymology is the standard documented origin. · checked 2026-09-04
Frequently asked questions
What does the name Heidi mean?
"Noble" or "of noble kind", from Adelheid (Adelaide).
When is Heidi's name day?
The traditional Estonian name day for Heidi is October 15. It can fall on a different date in Finland or Sweden.
Where does the name Heidi come from?
German short form of Adelheid, from Germanic.
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