Mahonri Moriancumer Young 1 Nov 1852 - 20 Apr 1884 (1852–1884) Parents Margaret Maria Young Brigham Young Children Mahonri Young Siblings Ernest Irving Young, Sr. Susa Young Gates John Willard Young Joseph Don Carlos Young Oscar Brigham Young Willard Young Maria Young Dougall Zina P. Young Card Joseph Angell Young B. Morris Young Brigham Young, Jr. Emily Augusta Young Clarissa Young Spencer Alice Young Clawson