Lawrence J. O’Connor, FAIA

FAIA

Fellow of the American Institute of Architects is a postnomial, designating an individual who has been named a fellow of the American Institute of Architects...

 (d. 1900) was an American architect who designed a number of Catholic churches, schools, convents and rectories in New York and New Jersey.

Architectural practice

Many of his important buildings have been lost over the years. One particularly tragic loss was that of St. Agnes' Church (Manhattan) on 42nd Street, Manhattan, which has since been rebuilt in a similar but more modern style.

Works include

• Holy Cross Church (Manhattan) School (1887) located behind the church at 332 West 43rd Street (and renovations of original church by Henry Engelbert
  Henry Engelbert
  Henry Engelbert was an architect best known for buildings in the French Second Empire style, which emphasized elaborate mansard roofs with dormers. New York's Grand Hotel on Broadway is the most noteworthy extant example of Engelbert's work in the French Second Empire Style...
  
  )
• Holy Cross School (Manhattan)
• Annunciation Church (Morristown, New Jersey)
• Our Lady of Mt. Carmel Church (Manhattan)
• St. Veronica's Church (Manhattan) Rectory
• Cathedral of the Immaculate Conception (Syracuse, New York) (originally St. Mary Church, renovated for Cathedral use in 1904 by Archimedes Russell
  Archimedes Russell
  Archimedes Russell was an American architect most active in the Syracuse, New York area.Born in Andover, Massachusetts and trained under local architect Horatio Nelson White, Russell served as a professor of architecture at Syracuse University from 1873 through 1881.In the course of his career he...
  
  )
• St. Agnes' Church (Manhattan), (burned in 1992, elements of the O'Connor building were retained in the new church 0f 1998 including 2 exterior towers)
• St. Joseph's Church (Manhattan) (demolished)
• St. Leo's Church (New York City)
  St. Leo's Church (New York City)
  The Church of St. Leo is a former Roman Catholic parish church under the authority of the Roman Catholic Archdiocese of New York, located at 11 East 28th Street, between Fifth & Madison Avenues in Manhattan, New York City.-History:...
  
  , Manhattan, demolished
• St. Mary's Church (Manhattan)
  St. Mary's Church (Manhattan)
  Not to be confused with St. Mary's Church, 69th Street The Church of St. Mary is a Roman Catholic parish church in the Roman Catholic Archdiocese of New York, located at 438-440 Grand Street in the Lower East Side of Manhattan, New York City...
  
   (renovations)
• Immaculate Conception Church (Yonkers, New York)
• Resurrection Church (Rye, New York), demolished and replaced by a church of the same name built to the deigns of Henry V. Murphy
  Henry V. Murphy
  Henry V. Murphy , AIA, was an American architect who specialized in churches and schools for Roman Catholic clients.-Early life and education:...
  
  )
• St. Patrick Church, Washington, DC