The young princess was baptized on 9 January 1834 at Cambridge House, Hanover, by Rev John Ryle Wood, Chaplain to the Duke of Cambridge. Her godmother and paternal aunt Princess Elizabeth, Landgravine of Hesse-Homburg, was the only godparent who was present. The others were William IV and Queen Adelaide (her paternal uncle and aunt), Princess Mary, Duchess of Gloucester and Edinburgh (her paternal aunt), Princess Marie of Hesse-Cassel (her maternal aunt) and Princess Marie Luise Charlotte of Hesse-Kassel (her maternal first cousin). She was named Mary Adelaide Wilhelmina Elizabeth for her aunts and uncle.