Sheffer was born in York, Pennsylvania. He attended the common schools and Harvard University. He studied medicine in Philadelphia and commenced practice at York Springs, Pennsylvania. He was associate judge of Adams County, Pennsylvania, from 1813 to 1837.
Sheffer was elected as a Democrat to the Twenty-fifth Congress. He was an unsuccessful candidate for reelection in 1838 to the Twenty-sixth Congress. He resumed the practice of his profession and was a delegate to the 1848 Democratic National Convention. He died in 1880 at York Springs, where he was interred in the Old Lutheran Cemetery.
- United States Congress. "Daniel Sheffer (id: S000316)". Biographical Directory of the United States Congress.
- The Political Graveyard
|U.S. House of Representatives|
| Member of the U.S. House of Representatives
from Pennsylvania's 12th congressional district
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