LN:
SO: {31} FN is in the US top 100 for 2016; MN is German; SN is Italian
SO: {30} FN is in the US top 300 for 1970; MN is a gem name; surname/maiden name is Arabic
DD {9}: FN is a surname; MN ends in -y or -el
DS {6}: FN is holiday-inspired; MN is after a saint
DS {4}: FN is trendy; MN is a nature name
DD {1}: FN is mythological; MN is old-fashioned