Place the name of the category before the archive content in a Genesis Child Theme.

genesis_category_name.php

add_action ( 'genesis_before_content','my_category_title' );
function my_category_title() {
  if ( is_category() ) {
    $term = get_category(get_query_var('cat'),false);
    $name = $term->name;
    echo '<h1 class="entry-title">'. $name .'</h1>';
  }
}