| First Name | Cate |
| Middle Name | S. |
| Last Name | Hennessy |
| Maiden Name | Egan |
| Full Name at Birth | Cate S. Egan |
| Age | 51 |
| Date of Birth | January 19, 1961 |
| Birthplace | Michigan, USA |
| Build | Slim |
| Hair Color | Black |
| Star Sign | Capricorn |
| Ethnicity | White |
| Nationality | American |
| Occupation | Character |
| Occupation Category | Other |
| Claim to Fame | 8 Simple Rules |
| Father | Jim Egan |
| Other Family Members | Bridget Hennessy (Daughter)Rory Hennessy (Son)Kerry Hennessy (Daughter)C.J. Barnes (Nephew) |
The fictional character, Cate Hennessy, has appeared in the following films and TV series: