| # | Name | Origin | Meaning | Gender | Save |
|---|---|---|---|---|---|
| 2921 | Fitz James | English | Son of James. | M | |
| 2922 | Fitz Patrick | English | Son of Patrick. | M | |
| 2923 | Fitz Simon | English | Son of Simon. | M | |
| 2924 | Fitz Walter | English | Son of Walter. | M | |
| 2925 | Fitz Water | English | Son of Walter. | M | |
| 2926 | Fitzadam | English | Son of Adam. | M | |
| 2927 | Fitzgerald | English | Mighty spearholder's son. | M | |
| 2928 | Fitzgibbon | English | Son of Gilbert. | M | |
| 2929 | Fitzgilbert | English | Son of Gilbert. | M | |
| 2930 | Fitzhugh | English | Son of Hugh. | M | |
| 2931 | Fitzjames | English | Son of James. | M | |
| 2932 | Fitzpatrick | English | Son of Patrick. Surname. | M | |
| 2933 | Fitzroy | English | A name meaning 'king's illegitimate son'. | M | |
| 2934 | Fitzsimmons | English | Son of Simon. | M | |
| 2935 | Fitzsimon | English | Son of Simon. | M | |
| 2936 | Fitzsimons | English | Son of Simon. | M | |
| 2937 | Fitzwalter | English | Son of Walter. | M | |
| 2938 | Fitzwater | English | Son of Walter. | M | |
| 2939 | Flair | English | Style; verve. | F | |
| 2940 | Fleming | English | From the valley. | M | |