May not be your man just sharing, found on Ancestry.com and I am not related.
Name: Thomas Palmer
Location 2: 1306 N 20th
Business Name: Union Pacific Railway
Occupation: car repairer
Ancestry.com. Omaha, Nebraska Directories, 1889-90 [database on-line]. Provo, UT, USA: The Generations Network, Inc., 2000. Original data:
# Omaha, NE, 1889. Omaha, NE: J.M. Wolfe & Co., 1889.
# Omaha, NE, 1890. Omaha, NE: J.M. Wolfe & Co., 1890.