The OHS Pipe Organ Database

Scottish Rite Cathedral / Unity
915 North Dearborn
Chicago, Illinois

OHS Database ID 7231.

See the address on Google Maps.


This organ received OHS Citation number 48, 1984-08-21.

Status and Condition

The organ is in an unaltered state from its installation as described on this page.
The condition of the organ is in not known or has not been reported to the Database.
We received the most recent update on this organ's state and condition April 17, 2011.
If you can assist us with information concerning the current condition of this organ, please use the form accessible through the "Update" button.

Technical Details

Slider chests. Mechanical key action. Mechanical stop action.

Three manuals. 4 divisions. 48 stops. 40 ranks. 2558 pipes. Manual compass is 58 notes. Pedal compass is 30 notes.


  • Status Note: There 1984 (OHS PC Database. October 30, 2004)
  • Was Unity Church (Unitarian).Purchased by Masons in 1903. Organ moved to rear gallery c. 1903. Pneumatic assist to Great. Restorative repairs 1997 by Dean Christian & Assoc. (OHS PC Database. October 30, 2004)
  • Updated through on-line information from Connor Annable. (Database Manager. April 17, 2011)

Online Documents

Currently we have no online documents associated with this organ entry. If you can provide us with digital files of contracts, correspondence, dedication programs, or any similar items, please follow this link to our document upload form to send them to us.

If you would like more information about documents included in the Database, please see our Documents Information page.


  • [Unattributed]. "Chicago Chapter AGO: Architectural Tour and Organ Crawl," The Stopt Diapason (Vol. 1, No. 3 [June 1980], pp. 1-13). [descriptions, stoplists, brief histories, chronologies]

Other Websites

Clicking on a link will open the website in a new window or tab.
Please note that we are not responsible for dead links.


Click on a thumbnail to see the larger image in a new tab.

Balcony and Organ Case. Photograph by William T. Van Pelt 1984-05-21

If you can provide us with additional photographs, you may upload them through our online form. For further information please see our expectations for adding photographs.



When they are available, stoplists for organs are included in the Database. To make corrections in stoplists that you see here, please send details via e-mail to rather than submitting a new stoplist through our online form.

  • Typed stoplist from the OHS PC Database.
    Scottish Rite Cathedral  (originally Unity Church)  
    1875 E. & G. G. Hook & Hastings, Op. 794
    (Stoplist: David Schnute [alt])
    GREAT (58 notes, pneumatic assist)
    16' Op. Diap'n (m)
     8' Op. Diap'n (m)
     8' Doppelflöte (w)
     8' Viola da gamba (m)
     8' Keraulophon (m)
     4' Octave (m)
     4' Flute Harmonic (m)
     3' Twelfth (m)
     2' Fifteenth (m)
        III Mixture (174 pipes)
        V Acuta (290 pipes)
     8' Trumpet (m)
    SWELL (58 notes, enclosed)
    16' Bourdon Bass (2)
    16' Bourdon Treble (TC w)
     8' Op. Diap'n (m)
     8' St'd Diap'n (w&m)
     8' Salicional (m)
     8' Quintadena (m)
     4' Octave (m)
     4' Violina (m)
     4' Flauto Traverso (w&m)
     2' Flautino (m)
        III Dolce cornet (174 m pipes)
     8' Cornopean (m)
     8' Oboe (m)
     8' Vox Humana (m)
    SOLO (58 notes, unenclosed)
     8' Geigen Principal (m)
     8' St'd Diap'n (w&m)
     8' Melodia (w)
     8' Dulciana (m)
     4' Flute D'Amour (w&m)
     4' Dolce (m)
     2' Piccolo (m)
     8' Clarinet (m)
    (2') Carillons (TG-a2) m
    PEDALE (30 notes)
    16' Op. Diap'n (w)
    16' Violone (w)
    16' Bourdon (w)
     8' V'cello (m)
    16' Trombone (w)
     8' Trumpet (m)
    Pedal Movements
    Piano Great
    Mezzo Great
    Forte Great
    Piano Swell
    Forte Swell
    Piano Pedalee
    Forte Pedale
    Great to Pedale (reversible)
    Sw. to Gt. (pistons)
    Sw. to Gt. (pistons)
    Sw. to So.
    Gt to Ped.
    Sw. to Ped.
    So. to Ped.
    Great Organ Separation (pistons)
    Balanced Swell pedal
    Bellows Signal
  • Click Here Typed stoplist from the OHS PC Database. Plain text; will open in a new window or tab.