Mid 16th century; earliest use found in Henry Brinkelow (d.?1546), polemicist. From non- + residency (although this is first attested slightly later).
Definition of non-residency in US English:
non-residency
nounnɒnˈrɛzɪd(ə)nsi
Non-residence.
Origin
Mid 16th century; earliest use found in Henry Brinkelow (d. ?1546), polemicist. From non- + residency (although this is first attested slightly later).