Taking a husband's last name is not inherently Haram, especially if needed for legal reasons.
The permissibility hinges on the intention and context. The key consideration is that it should not be done in a way that falsely claims a different lineage.
Here's a breakdown:
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Permissible when necessary: According to the reference, a wife may take her husband's surname if she needs it for legal reasons. This suggests it is allowed.
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Haram if it involves false lineage: The issue arises when taking a surname implies a false familial connection. This is seen as a misrepresentation of one's ancestry and is forbidden.
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Examples of permissible use:
- For official documentation such as passports or driver's licenses.
- For banking or financial purposes.
- To simplify family identification for schools or medical institutions.
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Example of impermissible use:
- Claiming to be related to a family when no biological relationship exists.
- Intentionally obscuring one's true lineage.
In essence, taking a husband's last name for practical purposes is generally permissible, as long as it doesn't lead to misrepresentation of one's lineage. The focus is on avoiding actions that falsely change or obscure one's true ancestry.