She was ordained as a minister in the United Methodist Church, pastorally assigned to the Illinois Great Rivers Conference, where she is an elder.
[4] She is also a life member of the Hymn Society in the United States and Canada; much of Westerfield Tucker's scholarship has focused on the role and development of hymnals.
Westerfield Tucker and Geoffrey Wainwright edited the book which compiled contributions on Christian worship and liturgy from 38 international scholars.
[8] She wrote for a February 2018 special issue of the Sewanee Theological Review on the possibility of revising the Episcopal Church's 1979 Book of Common Prayer.
[4] Westerfield Tucker has served as a judge at American Kennel Club-licensed rally obedience dog competitions.