LN: last name is an animal or related to an animal in some way.
DW: FN is a frilly name with a masculine nickname. MN is a filler
DH: FN is Scottish. MN is a occupational surname.
DS: FN is three syllables. MN ends in O.
DS: FN is shared with a famous writer or painter. MN begins with A and is biblical
DS&DD: FNs are from mythology. MNs begin with same letter and are unisex.
DD: FN is feminine form of a male name. MN is a flower/plant not usually used as a name.
DD: FN is in the top 200 of this list (
http://www.behindthename.com/top/lists/ew/2012) MN is Shakespearean.
DS: FN is a word in any language other than English. MN is a form of John.
DS: FN has a double letter in it. MN honours their mother.
DD: FN is popular in English and Spanish. MN is a colour.