| Court of Last Resort |
| | Court of Appeals (1776-1792) Constitutional Court [IN and FOR: State] |
| | High Court of Errors and Appeals (1792-1831) Constitutional Court [IN and FOR: State] |
| | Court of Errors and Appeals (1831-1897) Constitutional Court [IN and FOR: State] |
| | Supreme Court (1897--) Constitutional Court [IN and FOR: State] |
| |
| General Trial Jurisdiction |
| | Supreme Court (1776-1831) Constitutional Court [IN and FOR: State] |
| | Court of Quarter Sessions of the Peace and Gaol Delivery (1792-1831) Constitutional Court [IN: State FOR: county] |
| | Court of General Sessions of the Peace and General Jail-Delivery (1831-1897) Constitutional Court [IN: State FOR: county] |
| | Superior Court (1831--) Constitutional Court [IN: State FOR: county] |
| | Court of General Sessions (1897-1951) Constitutional Court [IN: State FOR: county. Functions of Court of General Sessions (principally a criminal court) transferred to Superior Court (heretofore principally a civil court)] |
| |
| Limited Jurisdiction |
| | Justices of the Peace Constitutional Court [IN: county FOR: hundred, later: district] |
| | Alderman's Court Statutory Court [IN and FOR: municipality] |
| | Court of Common Pleas (1776-1792) Constitutional Court [IN and FOR: county] |
| | Court of Common Pleas (1792-1831) Constitutional Court [IN and FOR: State] |
| | Court of Common Pleas (1831--) Statutory Court [IN: State FOR: county] |
| Special Jurisdiction |
| | Wilmington Municipal Court Statutory Court [IN and FOR: City of Wilmington] |
| | Orphans' Court (1776-1975) Constitutional Court [IN: State FOR: county] |
| | Court of Oyer and Terminer and General Gaol-Delivery (1792-1831) Constitutional Court [IN: State FOR: county] |
| | Chancery Court (1792--) Constitutional Court [IN: State FOR: county] |
| | Register's Court (1792-1975) Constitutional Court [IN and FOR: county] |
| | Court of Oyer and Terminer (1831-1951) Constitutional Court [IN: State FOR: county. Functions of Court of Oyer and Terminer (which heard cases involving the most serious crimes) transferred to Superior Court along with functions of Court of General Sessions] |
| | Family Court (1977--) Statutory Court [IN and FOR: county] |