On 20 July 1840, Reuben L Pitts and Austin M Trible were bound in the penalty of $300 for Reuben L Pitts’s administration of the estate of George Gordon, deceased. [Essex County, Virginia, Will Book 24, page 497.]

Orators and oratrices James Trible, Andrew Hundley and Nancy his wife, George M. Trible, Smith Young and Margaret K. his wife, Fielding D. Piggott and Eliza his wife, William R. G. Trible and John S. Trible complained to the Chancery Court. That John Trible the father of your orators and oratrices died on 20 September 1844 also leaving the following other children: Peter and Austin M. Trible, Emily Covington wife of Richard L. Covington, Eliza Kemper, John, Selah, Summerfield, Franklin & Frances Holbrook children of Frances Hollrook, the said Frances being a daughter of John Trible deceased. [Essex County, Virginia, Box Chancery No. 40, item 40-I-6.]

An inventory and appraisal of the estate of William R. Allen was made on 21 June 1847 by A M Trible, R: J Muse, and Robt T Shakelford. Total valuation $108.62. Ordered recorded 16 August 1847. [Essex County, Virginia, Will Book 26, pages 208–209.]

1850 U.S. Census, Essex County, Virginia
Dwelling 665, Family 665
Trible, Austin, 33, male, lawyer, $500 real estate, born in Virginia, married within the year
Trible, Aurelia, 24, female, born in Virginia

In 1851, A. M. Trible witnessed the will of Richard D. Dunn. The day and month were left off the will. [Essex County, Virginia, Will Book 27, pages 114–115.]