IDreamof.com has free cemetery records for Delaware. Some of the cemeteries included in this database include:

“County Records

KENT

Blackiston – Blackiston Methodist Church Cemetery

Clayton – Dulaney’s Methodist Churchyard

Dover – Silver Lake Cemetery (African – American) (partial)

Farmington – Ralston Family Cemetery

Little Creek – Old Quaker Cemetery

Sandtown – Sandtown Cemetery

Smyrna – Oddfellows Cemetery (partial)

NEW CASTLE

Odessa – Odessa Church Cemetery

Middletown – Old St. Anne’s Church Cemetery

Red Lion – Pigeon Run Cemetery

Wilmington – Silverbrook Cemetery (partial)

SUSSEX

Badley Family Cemetery

Bailey / Phillips Cemetery

Bell Cemetery

Broad Creek – Mt. Zion Church Cemetery

Collins Family Cemetery

Columbia – Severn Bradley Family Cemetery (See also Wicomico Co., Maryland)

Columbia – Mt. Nebo United Methodist Church Cemetery (See also Wicomico Co., Maryland)

Cool Spring – Cool Spring Presbyterian Church Cemetery

Cooper Cemetery”

and more.