Mark, thanks for the link.
Levy has its sheet music:

Title: The Little Brown Church. Song and Chorus.
Composer, Lyricist, Arranger: Words and Music by Wm. S. Pitts.
Publication: Boston: Oliver Ditson Company, 1865.
Form of Composition: strophic with chorus
Instrumentation: piano and voice (solo and satb chorus)
First Line: There's a church in the valley by the wildwood, no lovelier place in the dale
First Line of Chorus: Come to the Church by the wildwood, Oh, come to the church in the dale
Advertisement: ads on back cover for Oliver Ditson stock
Subject: Couples
Subject: Barrels
Subject: Fences
Subject: Mothers & children
Subject: Cemetaries
Subject: Graves
Subject: Nostalgia
Subject: Death
Subject: Love
Call No.: Box: 129 Item: 095

Nostalgic recording from American Memory (CLICK HERE):

The church in the wildwood / Dr. Wm. S. Pitts ; [performed by] Apollo Quartet of Boston. [Realaudio]
CREATED/PUBLISHED: Orange, N.J. : Edison, 1919.

Drawings & photos also from American Memory.

~Masato