Get a category URL by name
<?php
//* Do NOT include the opening php tag shown above. Copy the code shown below.
/**
* Return a the URL for a given category
* @param string $name 'Category Name'
* @return string URL
*/
function wellma_get_category_url( $name ) {
return esc_url( get_category_link( get_cat_ID( esc_attr($name) ) ) );
}