How do I go about adding a last name to my last name? Not through marriage?

Historical landmark

112 W Lexington Ave, Independence, MO 64050, USA

Meat wholesaler

1136 Vista Ave, Independence, MO 64056, USA

Buffet restaurant

19120 E Valley View Pkwy, Independence, MO 64055, USA

Fine dining restaurant

201 N Main St, Independence, MO 64050, USA

Episcopal church

4000 S Lee's Summit Rd, Independence, MO 64055, USA

Baptist church

901 East 23rd St S, Independence, MO 64055, USA

Church

500 W Truman Rd, Independence, MO 64050, USA

Baptist church

4500 Little Blue Pkwy, Independence, MO 64057, USA