My mum's 1938 notes say that there are two churches that have or had an organ built by John Carnell Crabb. See photo attached under media.
The handwriting - not hers - is hard to read, but the names appear to be
(1) St. Francis, Fair Haven
(2) Z. Armstrong on Whitney Avenue [?]
There is a Saint Francis of Assisi Church, 397 Ferry St in Fair Haven CT USA (says Google)