 With growing prosperity since the last decade of the 20th century , Ireland became a destination for immigrants . Since the European Union expanded to include Poland in 2004 , Polish people have made up the largest number of immigrants ( over 150 @,@ 000 ) from Central Europe . There has also been significant immigration from Lithuania , the Czech Republic and Latvia . 
 With growing prosperity since the last decade of the 20th century , Ireland became a destination for immigrants . Since the European Union expanded to include Poland in 2004 , Polish people <a href='been_done' title='1'><mark>have</mark></a> made up the largest number of immigrants ( over 150 @,@ 000 ) from Central Europe . <a href='dey_it' title='2'><mark>There</mark></a> <a href='uninflect' title='3'><mark>has</mark></a> also been significant immigration from Lithuania , the Czech Republic and Latvia . 
W growing prosperity since the last decade of da 20th century , Ireland became a destination fa immigrants . Since the European Union expanded to include Poland in 2004 , Polish people done made up the largest number of immigrants ( ova 150 @,@ 000 ) from Central Europe . It have also been significant immigration from Lithuania , the Czech Republic and Latvia .