Within the year he may have abandoned his new faith and repudiated his wife, but before Æthelstan and he could fight, Sihtric died suddenly in 927.
Dalam waktu setahun ia mungkin menanggalkan kepercayaan barunya dan mengabaikan istrinya, namun sebelum ia dan Æthelstan sempat bertempur, Sihtric tiba-tiba mati mendadak pada tahun 927.