my friend is adopting a little boy
she loves the name Declan but cant decide or a middle name
her surname is Parker

Declan Michael
Declan Thomas
Declan Peter
Declan Andrew
Declan William

What do you think of:

Decklyn Zachary Parker
Declan Amadeus Parker
Decklyn Bishop Parker
Decklyn Brogan Parker
Decklyn Edison Parker
Decklyn Galen Parker
Decklyn Linden Parker
Decklyn Oakley Parker
Decklyn Magnum Parker
Decklyn Prescott Parker
Decklyn Sterling Parker
Decklyn Wilder Parker
Decklyn Zander Parker
Decklyn Storm Parker
Deckyn Nashel Parker

Hopefully you might some of these names.
Also, I would recommend you check out the 100 names, My Way! we are composing lists that we prefer, you may find something in these lists.

declan cole parker(favi)
declan hale parker
declan reese parjer
declan ollin parker
delan cruz parker


hope this helps

Declan James