| Code | Description | Notes |
| M | Married | |
| S | Single | HR uses this for divorced and widowed also |
| D | Divorced | |
| W | Widowed | |
| P | Separated | |
| C | Correction | Used to correct an accidentally recorded marriage (Using Demographics 3-23) |
| DP | Domestic Partner | Has benefits like spouse, but not pre-tax |