Filter Terms

Filter Parameters (Category f.)

Filters require an exact match. Place filters may include a level suffix (0, 1, 2) to distinguish hierarchy:

• f.birthLikePlace0 = country
• f.birthLikePlace1 = state
• f.birthLikePlace2 = city

Format: f.birthLikePlace1=3,Alberta (where 3 is the parent place ID).

Other supported filters:

• f.givenNameStandard, f.surnameStandard, f.gender, f.maritalStatus
• f.eventPlaceLevel0-5, f.birthYear0-1, f.deathYear0-1, etc.
• f.treeId, f.collectionId (requires search.include.cet pending modification)

Filters with empty values will match entries where the field is missing.

Filtering by Tree and Collection

You can filter results to specific trees using f.treeId or f.collectionId:

• f.treeId filters to a specific tree, such as a CET tree, using its unique identifier.
• f.collectionId limits results to a defined collection type.

Supported values for f.collectionId include:

• tree or https://familysearch.org/platform/collections/tree
• cet or https://familysearch.org/platform/collections/cet