[5] In 1902, he worked with Thomas P. Mahammitt and to organize black opposition to the reelection of Congressman David Henry Mercer in favor of E. J. Cornish.

[1] After Moore died in 1906, he was nominated by his successor, James C. Dahlman, a Democrat, to the position of inspector of weights and measures.

[8] In 1913, Pegg led an effort to create a state inspector of weights and measures whose jurisdiction would be small towns and villages who otherwise did not have such an officeholder.

In 1907, he was the president of a local branch of the People's Mutual Interest Club, a group which included many prominent black Omahans.

[10] The club had branches in Kansas, Missouri, Iowa, and Nebraska and Pegg was named chairman of the executive committee of the association in late 1907.

[15] In 1911, Pegg was a leading opponent of a Jim Crow bill, HR 512, introduced by representative John William McKissick of Gage County.

[17] Pegg was a leader of the Negro Woman's Christian association and was chairman of a committee in that group which ran a home for the elderly.

[18] In 1916, Pegg was elected chairman of the Western States Negro Republican Convention held in Kansas City.