Cecilia Joyce will be the vice captain of the side. The selectors made two changes to the side that lost 0-3 to New Zealand last summer.
Nicki Coffey and Jilliann Smythe were included in the side at the expense of Isobel Joyce and Ciara Metcalfe.
Ireland have become the first nation to name the World Cup squad. They secured their place in the big-ticket event by winning all five matches at the qualifying tournament in the Netherlands in 2003.
Ireland would kickstart their World Cup campaign against hosts South Africa on March 22 at Supersport Park.
Ireland squad: C Shillington (capt), E Beamish, C Beggs, U Budd, N Coffey, J Day, M Grealey, M Herbert, C Joyce, A Linehan, B McDonald, H Whelan, J Whelan, J Smythe.