William I. Appleby references the interracial marriage of Enoch Lewis.

Date: Dec 2, 1847
Type: Meeting Minutes / Notes
Source: William I. Appleby
LDS
Hearsay: Scribed Verbatim
Direct
Reference: Meeting Minutes, December 2, 1847, CR 100 318, Church History Library
Scribe/Publisher: Thomas Bullock
People: Enoch Lewis, Brigham Young, William Smith, Quaku Walker Lewis, William I. Appleby
Audience: George A. Smith, Orson Hyde, William I. Appleby, Heber C. Kimball
Transcription: Bro. Appleby related bro. Waldo's charge agst. Bro. Bates—he considered both parties in the wrong, but rectified it & made peace.
Wm. Smith ordained a black man Elder at Lowell & he has married a White girl they have a child
Source Link: https://catalog.churchofjesuschrist.org/assets?id=0e19cdab-b9ec-465f-a603-df7de5ebfe0d&crate=0&index=0
BHR Staff Commentary
Citations in Mormonr Qnas: Black Saints and the Priesthood (Brigham Young/Early Utah era)
Black Saints and the Priesthood (Joseph Smith era)