Mum, baby, missing from Sydney's south

Police are searching for a mother who went missing with her baby from Kingsgrove in Sydney's south.

Skye Brown, 27, and her eight-month-old son were last seen on Morris Street at 4pm on Sunday September 10.

Her Facebook profile shows Ms Brown smiling with children, and expressing her faith in God.

Police said they hold concerns for their welfare.

Ms Brown is described as being of Aboriginal or Torres Strait Islander appearance and about 165cm tall with long black hair.

Anyone who has any information is urged to contact Crime Stoppers.