Bird Sanctuary in Pietermaritzburg, North of Town Hill, Hospital. It was named in honour of AT Allison, a former Mayor of Pietermaritzburg, who initiated its establishment.
References
New Dictionary of South African Names by Peter E Raper
Further Reading
https://publiceyemaritzburg.co.za/27669/images-from-a-t-allison-bird-sanctuary-park/
http://haznet.ca/five-questions-with-alison-bird/
https://capitalnewspapers.co.za/29154/images-from-a-t-allison-bird-sanctuary-park/