Wandlesses in the Pittsburgh city directory in 1890, from ancestry.com:
Chas Wandless bk keeper 69 Carson, 207 Centre avenue Pittsburgh PA
Geo Wandless plasterer 45 Tannehill Pittsburgh PA
Geo C Wandless laborer 82 Herron avenue Pittsburgh PA
Hettie Wandless grocer Centre avenue, n Morgan Pittsburgh PA
Jas Wandless driver Bristol, n Bigelow Pittsburgh PA
Mrs Jennie N Wandless 723 Wylie avenue Pittsburgh PA
Robt Wandless carpenter 664 Wylie avenue Pittsburgh PA
Note from Holly: Wylie Ave intersects Wandless Ave in Pittsburgh (other addresses in the directory were listed with respect to the intersection of Wandless and Wylie).