“She is older …” is correct.
The comparative “elder” is reserved as an adjective for brothers and sisters, and as a noun, describing people who are recognized as respected older members of a family or social group. Examples:
The comparative “elder” is reserved as an adjective for brothers and sisters, and as a noun, describing people who are recognized as respected older members of a family or social group. Examples:
- “She is older than he is.”
- “She is his elder sister.”
- “Of the two siblings, he is the elder.”
- “As the elder brother, he took his role seriously”
- “We respect him as an elder of our society.”
