election grepping for candidate info

me@mycomputer:~$ grep -ir [path_to_files_of_registered_voters] -e ‘[last_name_of_candidate]’ | grep -i ‘[first_name_of_candidate]’

grep -ir [path_to_files_of_registered_voters] -e '[last_name_of_candidate]' | grep -i '[first_name_of_candidate]' 

Example:

grep -ir /home/me/Downloads/my-county-voter-file.txt -e 'Smith'