Key:old_name

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Public-images-osm logo.svg old_name
Street renaming Ingeborg-Hunzinger-Str Rahnsdorf.jpg
Description
Old / previous / historic name for an element. Show/edit corresponding data item.
Group: names
Used on these elements
may be used on nodesmay be used on waysmay be used on areas (and multipolygon relations)may be used on relations
Useful combination

name=*

See also
Status: de facto
Main article: Names

The tag old_name=* is used for old / previous / historic name(s) for an element.

The tag should typically be combined with the current name=*.

For correct historic context of old names, the key may be suffixed with the date namespace. Example:

old_name:1921-1932=* (the name from 1921 until 1932)

If the start date of the name is the same as the start date of the feature/object, this can be clarified by instead using:

start_date=1921 (feature/object exists since 1921)
old_name:-1932=* (the name from the beginning until 1932)

The key can also be combined with the language suffix old_name:<lg>=* with <lg> being the ISO code of the language. See: Multilingual names. Example:

old_name:en=Constantinople

When combined, the language code comes before the date range:

old_name:ru:1925-1961=Сталинград

or

old_name:uk:1918-1926=Січеслав

It should be considered that historical objects of which there are no visible traces left do not belong into the OSM database.

Values

The general rules as for name=* apply.

Date ranges

The date ranges should follow the ISO 8601 date format.

When only ranges of years are specified (no month or other details), a single hyphen may be used, such as "old_name:1953-1990 = Ernst-Thälmann-Straße".

When full dates are specified or the simple notation is not sufficient, a double hyphen ("--") can separate the from and to date - e.g. "amenity:1965--1971-12-18 = school".

See also

Possible tagging mistakes

If you know places with this tag, verify if it could be tagged with another tag.
Automated edits are strongly discouraged unless you really know what you are doing!
If you know places with this tag, verify if it could be tagged with another tag.
Automated edits are strongly discouraged unless you really know what you are doing!
If you know places with this tag, verify if it could be tagged with another tag.
Automated edits are strongly discouraged unless you really know what you are doing!