Here are the possible solutions for greatest source of 1840's immigration clue
Answer
Clue
Relevancy
ireland
Clue
Greatest source of 1840's immigration
devo
Clue
Band that simultaneously released the albums "Greatest Hits" and "Greatest Misses"
Definition
(short for) devolution, as in devo max, an arrangement in which a central government transfers the maximum amount of authority to a regional government while still retaining sovereignty over it
woman
Clue
The "greatest blessing" and the "greatest plague": Euripides
carling
Clue
Thomas ______ , first brewed in London Ontario in 1840
Definition
a short timber running lengthwise of a ship, from one transverse desk beam to another
