From the OHS PC Database, derived from A Guide to North American Organbuilders, by David H. Fox (Richmond, Va.: Organ Historical Society, 1991). -

Son of Erasme Lahaise,
brother of Edward Lahaise;
and father of Richard and Robert Lahaise. He was with Hook & Hastings of Kendal Green, Massachusetts, 20th century;
succeeded Hook & Hastings service work with Edward Lahaise, 1936. He established Henri Lahaise & Sons
with Richard Lahaise and Robert Lahaise
in Boston, Massachusetts , a service firm. Henri Lahaise died in 1962, he was succeeded by his sons.

Sources:

• Barbara Owen.


• Social Security Death Index.


• Elizabeth Towne Schmitt.


• The American Organist March 1984, 37.