For the next 100 years, the church received various upgrades and improvements.
During the 1930s, the cemetery was leveled, restored, and seeded with grass.
During the 1930s and 1940s, Reverend Francis J. Fisher was responsible for replacing a cast iron stove with an oil burning furnace and electrifying the church.

During the 1950s the State Roads Commission made plans to widen U.S. Route 50 and condemned the church to be torn down.
An appeal saved the church when it was agreed that the church would build a brick wall between the road and the church.
Members of the Friel family were involved with the wall's funding and design.
They were also later involved with extensions of the wall along the sides of the church.

By 1959, it was decided that the old rectory was a fire hazard and would be torn down.
Two additions on the site of the old rectory were completed in 1967: a sacristy and a meeting room.
The children of Helena Green Raskob provided funding for the meeting room, and it was named the Raskob Memorial Room in her honor.
Members of the Friel family were involved with the new sacristy.
The designers of the additions were James R. Friel and architect John Walton.
During the 1970s, the church was refurbished and air conditioning was added.
For the next 100 years, the church received various upgrades and improvements. During the 1930s, the cemetery was leveled, restored, and seeded with grass. During the 1930s and 1940s, Reverend Francis J. Fisher was responsible for replacing a cast iron stove with an oil burning furnace and electrifying the church.
During the 1950s the State Roads Commission made plans to widen U.S. Route 50 and condemned the church to be torn down. An appeal saved the church when it was agreed that the church would build a brick wall between the road and the church. Members of the Friel family were involved with the wall's funding and design. They were also later involved with extensions of the wall along the sides of the church.
By 1959, it was decided that the old rectory was a fire hazard and would be torn down. Two additions on the site of the old rectory were completed in 1967: a sacristy and a meeting room. The children of Helena Green Raskob provided funding for the meeting room, and it was named the Raskob Memorial Room in her honor. Members of the Friel family were involved with the new sacristy. The designers of the additions were James R. Friel and architect John Walton. During the 1970s, the church was refurbished and air conditioning was added.
St. Peter's Church (Queenstown, Maryland)