Maréans are often fervent Christians, following extensive missionary activity by the competing Protestant (London Missionary Society) and Catholic (Marist)churches during the late 19th century.
Os poboadores a miúdo son ferventes cristiáns, logo dunha extensa actividade misionera das seitas protestantes (Sociedade Misioneira de Londres) e católicas (Maristas) a finais do século XIX.