| dFH: 7 records before 1947 and 19 during 1947-61, 14 March to May, 1 June, 1 August, 1 November and 8 December and January (>> 1 March to May missing). | |
| 1852 | One killed at Pagham (WS) in January. | WB |
| 1866 | One obtained at Eastbourne (ES) on 31 January. | WB |
| 1874 | Two between Hastings and Rye (ES) c20 March, one being obtained. | WB |
| 1881 | One obtained at Beachy Head (ES) on 21 January. | WB |
| 1889 | One obtained at Portobello, Brighton (ES) just before 25 December is in the Booth Museum. | WB |
| 1913 | One seen at Hastings (ES) on 26 December. | WB |
| 1917 | [One seen at Eastbourne (ES) on 22 December.] | WB, was Glaucous *54 |
| 1931 | An adult seen at Hove Lagoon (ES) on 11 January. | WB |
| 1947 | A juvenile at Pett Level (ES) on 1 March. | * |
| An adult at Hove (ES) on 12 August. | dFH |
| 1950 | An adult at Newhaven (ES) on 25 March. | * |
| One at Langney Point (ES) on 2 April. | * |
| An immature in the lower Cuckmere Valley (ES) on 20 April. | * |
| An adult at Rye Harbour (ES) from 8 to 18 May (British Birds 43: 409-413 Iceland and Glaucous Gulls in Britainin 1950). | * |
| 1951 | One at Seaford Head (ES) on 25 March. | * |
| A first-summer at Langney Point (ES) on 28 June. | * dFH |
| 1952 | A first-winter at Langney Point (ES) on 13 March. | * |
| 1953 | A first-summer at Langney Point (ES) on 9 May. | * |
| 1955 | A first-summer at Portobello, Brighton (ES) on 13 May. | * |
| 1956 | One at Seven Sisters (ES) on 16 and 20 April. | * |
| 1958 | A first-winter at Hove Lagoon (ES) from 24 January to mid June and again (when second-winter) from 24 September1958 to 22 January 1961 (when adult) had a damaged leg. | * dFH |
| A first-winter at Hawkensbury (ES), near Tunbrige Wells on 8 and 9 December. | * dFH |
| 1959 | A first-winter west off Cuckmere Haven (ES) on 22 November. | * |
| 1961 | A first-winter at Selsey Bill (WS) on 19 March and 26 April. | * |
| A second-summer at Selsey Bill (WS) and Sidlesham Ferry (WS) between 14 and 22 May. | * |
| A first-winter at Shoreham-by-Sea (WS) on 31 December. | * |
| 1964 | An adult at Langney Point (ES) on 2 June. | * |
| 1966 | An adult west along Seven Sisters (ES) on 19 March. | * |
| 1967 | An adult at Selsey Bill (WS) on 15 April. | * |
| 1968 | A sub-adult at Beachy Head (ES) on 23 April. | * |
| 1972 | An immature at Hove (ES) from 4 to 9 March. | * |
| An immature at Selsey Bill (WS) on 25 November and 12 December. | * |
| 1982 | A first-winter at Rye Harbour (ES) on 20 February and Pett (ES) on 21 February. | * |
| A first winter at Beachy Head (ES) on 4 and 5 April. | * |
| 1983 | A first-summer at Littlehampton (WS) on 28 April. | * |
| A first-summer, probably the same, at Birling Gap (ES) on 5 May. | * |
| A first-winter at Beachy Head (ES) on 5 November. | * |
| 1984 | An adult at Chichester Gravel Pits (WS) from 17 to 21 January. | * |
| A first-winter at Church Norton (WS) on 26 February. | * |
| A first-summer at Beachy Head (ES) on 23 and 25 March. | *(23rd only) |
| An adult at Beachy Head (ES) from 25 March to 1 April. | * |
| A first-summer at Southwick (WS) on 5 April. | * |
| A second-summer at Hastings (ES) on 25 April. | * |
| A first-summer at Worthing (WS) on 25 April. | * |
| A first-summer, presumably the same, west at Widewater (WS) and Worthing (WS) on 6 May. | * |
| A second-summer, probably the Hastings individual, at Brighton Marina (ES) on 5 May. | * |
| A second-summer, presumably the Hastings individual,, at Pebsham Tip (ES) from 18 to 20 May. | * |
| 1985 | A third-winter at Bulverhythe (ES) on 10 February. | * |
| An adult at Selsey Bill (WS) on 3 April. | * |
| A first-summer at Rye Harbour (ES) on 8 April. | * |
| A first-summer at Birling (ES) on 13 April. | ‡ |
| A third-summer at Rye Harbour (ES) on 4 May. | * |
| A third-summer, possibly the same, at Pagham Harbour (WS) on 5 July. | * |
| 1986 | A first-winter at Combe Haven (ES) on 13 January. | *87 |
| 1987 | A first-summer at Church Norton (WS) on 9 May. | * |
| 1989 | A second-winter at Pagham Harbour (WS) on 3 January. | * |
| A first-summer at Beachy Head (ES) on 8 April. | * |
| An adult at Climping (WS) on 22 October. | * |
| 1990 | A first-winter at Littlehampton (WS) on 28 November. | * |
| A first-winter at Pilsey (WS) on 28 December. | *91 |
| 1991 | A first-winter east off Selsey Bill (WS) on 5 January, at Brighton Marina (ES) on 13th and at Shoreham Harbour (WS) from 15 to 23 January. | * |
| A first-winter at Newhaven (ES) on 6 April. | * |
| A second-summer near Newhaven (ES) between 18 and 27 May. | * |
| 1992 | A first-summer at Selsey Bill (WS) on 19 April. | * |
| A first-winter at Newhaven (ES) on 22 April and 4 May. | * |
| An adult on the River Adur at Shoreham-by-Sea (WS) on 21 December. | * |
| 1993 | A first-winter east at Selsey Bill (WS) and later at Shoreham Harbour (WS) on 17 January. | * |
| A second-winter at Glyne Gap, Bexhill (ES) on 7 March. | * |
| 1994 | A second-winter at Pagham Harbour (WS) on 13 January. | * |
| A first-winter at Shoreham Harbour (WS) on 13 January. | * |
| A first-winter at Selsey Bill (WS) on 8 March departed west and was probably that seen in Chichester Harbour (WS) on 12th. | * |
| A second-summer at Splash Point, Seaford (ES) on 22 April. | * |
| 1995 | A second-winter at Weir Wood Reservoir (E/WS) on 8 January. | * |
| A first or second-year roosted at Pagham Harbour (WS) on 22 February. | * |
| 1996 | A first-winter at Norman's Bay (ES) on 3 March flew off west. | * |
| A first-year, possibly the same, at Birling Gap (ES) on 17 March. | *00 |
| A first-summer at Newhaven Harbour (ES) and Seaford (ES) on 25 March. | * |
| A second-summer at Pett Level (ES) on 10 May. | * |
| A second-summer, presumably the same, at Ternery Pool, Rye Harbour (ES) on 12 May. | * |
| 1997 | A second-winter roosted at Arlington Reservoir (ES) on 26 February. | * |
| A second-winter briefly at Splash Point, Seaford (ES) on 14 March. | * |
| An adult or third-winter past Selsey Bill (WS) on 21 March. | * |
| A first-winter at Selsey Bill (WS) on 16 November and Pagham Harbour (WS) on 18th and 19th. | * |
| An adult at Pagham Harbour (WS) on 18 November. | * |
| 1998 | A first-winter at Selsey Bill (WS) on 2 Janaury. | * |
| A first-winter, presumably the same, between Shoreham (WS) and Brighton Marina (ES) from 7 January to 19 April. | * |
| A first-summer bird at BelleTout, Beachy Head (ES) on 28 March may have been the same. | *99 |
| A first-winter, possibly the same, at Selsey Bill (WS) on 5 April. | * |
| A first-winter at Splash Point, Seaford (ES) on 19 and 23 April was thought to be different as it appeared to have been seen at about the same time as the earlier bird was at Shoreham. | * |
| 1999 | An immature was at Sidlesham Ferry (WS) on 10 March. | * |
| A first-summer bird was at Selsey Bill and Pagham Harbour (WS) on 25 March. | * |
| An immature, with at least one missing primary from its left wing, was at Splash Point, Seaford (ES) on the 28 March. | * |
| 2000 | A first-winter off Brighton Marina and Saltdean (both ES) on 19 February. | * |
| A third-winter at Combe Haven (ES) on 22 February. | * |
| Another first-winter at Brighton Marina and West Pier (ES) on 21 April. | * |
| An adult on the beach at Selsey Bill (WS) on 7 November. | * |