Qualifying Relative and eligible to be claimed as a dependent the rules are - all must be met:
- lived in your household the entire year (temporary absences are ignored)
- their gross income for 2024 less than $5050
- you provide over ½ their support.
- they aren’t a qualifying child of another taxpayer.
- you can’t be claimed as a dependent
- they must be a US citizen, resident alien or national or a resident of Canada or Mexico
you cannot claim head of household because your fiancé is not related to you by blood
