"Lamps Trimmed and Burning" is in the Cyberhymnal, with midi, linked and quoted above by Q.

"When the King Shall Come" also in Cyberhymnal, with midi: When the King

The website linked by Guest has the copyright date, 1896, and publisher, for "When the King Shall Come," which are on the 'want list' at Cyberhymnal. Many other old hymns are on this website; thanks for the Link, Guest.

I have no doubt that the music of Crosby and Sankey spread to African-American congregations.

The article (and clips) on Joe Thompson linked by Janie is worth reading.
Digressing, In the South, African-Americans were invited to listen at some rural and small town churches. This is another way that popular hymns or phrases from from them would spread.