These are the first few hits at familysearch.org for her with the married name. Do any of these look like a possibility to you? Husband's first name?
Angela Elizabeth Clark
South Africa, Church of the Province of South Africa, Parish Registers, 1801-2004
Angela Elizabeth Clark
South Africa, Church of the Province of South Africa, Parish Registers, 1801-2004
Angela Elizabeth Clark
South Africa, Church of the Province of South Africa, Parish Registers, 1801-2004
Angela Elizabeth Clark
South Africa, Church of the Province of South Africa, Parish Registers, 1801-2004
Angela Elizth Clark
South Africa, Church of the Province of South Africa, Parish Registers, 1801-2004
Elizabeth Margaretha Clark
South Africa, Dutch Reformed Church Registers (Cape Town Archives), 1660-1970
birth:
16 April 1871
baptism:
28 May 1871
Cape Town, Cape of Good Hope, South Africa