| dFH: about eleven records to 1961. 1 in August, 2 November, rest January, February or undated (must include 1875 and 1882). | |
| <1849 | Two obtained near Brighton (ES) prior to 1849. | WB |
| One obtained at St. Leonards (ES) prior to 1849. | WB |
| 1845( c ) | One obtained near Worthing (WS). | WB |
| 1848 | [One obtained at Hastings (ES) in August, although this may have been the St. Leonards individual.] | WB dFH |
| One obtained at Rye (ES) in winter. | WB |
| 1875 | [One shot near Lewes (ES) on 16 January.] | WB (as a possibility) |
| 1882 | [One shot at Beachy Head (ES) in February or March.] | WB (as a possibility) |
| 1910 | [An immature female shot at Ecclesbourne Glen, Hastings (ES) on 7 February.] | WB HR |
| [An immature male shot at Ecclesbourne Glen, Hastings (ES) on 11 February.] | WB HR |
| 1914 | [A female showing signs of immaturity shot at St. Leonards (ES) on 15 January.] | WB HR |
| 1931 | An adult was seen at the mouth of the River Rother at Rye Harbour (ES) on 6 January (Williams, R.P. 1931. Ivory Gull in Sussex. British Birds 24:299).] | WB [not very convincing |
| 1954 | An adult at Cuckmere Haven (ES) on 19 November (Harber, D.D. 1955. Ivory Gull in Sussex. British Birds 48:546. and SxBR 7:15) flew north up the Cuckmere Valley.] | * dFH [not very convincing |
| 1961 | [An adult at Portobello, Brighton (ES) on 19 November is no longer considered to be acceptable.] | */*94 ×/×96 dFH |