The current Bishop of Sibu is Joseph Hii Teck Kwong, having been installed in 2012.

A small hut was built for the priest to stay on his travels to Bintangor and Sare (Sarikei).

Although it was only a short stay, he managed to convert a few hundred people to the Catholic faith before he was recalled to Kuching.

He built the old Sacred Heart Church on stilts which served the Catholic community until 1954.

A new convent school was opened in 1929 and 13 churches were built in the lower Rejang area as the Mission was called.

Halder left for Europe on 1 March 1931 and on his return, he fell ill and died in Singapore on 16 August 1936 at the age of 57.

The Catholics from Sibu had his body brought back and he was buried in the mission compound.

When his body was exhumed 28 years later to make way for development, it was found to be incorrupt, so he was given a second funeral around Sibu town.

In May 1942, the European priests were interned by the Japanese at Batu Lintang camp, Kuching.

The interned priests were flown from Kuching to Labuan in September to recuperate for a short time.

It was decided that some priests would go to Europe for long leave, others would start to re-open the mission stations.

James Buis was appointed Prefect for North Borneo (now Sabah) on 18 January 1947.

Clement Epping and Charles Reiterer arrived at Sibu to perform pastoral and educational work.

The school continues to run under them until the appointment of the first local principal, Samuel Tan, in 1987.

Dominic Su was ordained by Pope John Paul II (now Saint) as Bishop of Sibu on 6 January 1987 in St. Peter's Basilica, Vatican, Rome.

Selangau mission has undergone a lot of development, not only in buildings but also the Stations of the Cross on the hill slope.

William Bos served Sibu Mission in looking after the Than Catholics in town, along the Oya and Igan.

On 28 May 1991, deacon Joseph Sebastian of Kampung Tellian become the first Melanau to be ordained priest at the old Sts.