Sources:
1. Delaware Public Archives, Hall of Records, Dover, DE. 19901.
2. Birth, Marriage, Death records.
3. US Census records 1850 thru 1940 for New Castle Co Delaware, and Cecil Co Maryland.
4. City Directories 1855-1940, Wilmington, De.
5. Tatnal Tombstone Records for Wilm, De.
6. Isaac Holt’s Will and other Probate Records.
7 Holt Family Genealogy Book by Kathryn Sims, Cecil County Historical Society, 135 East Main Street, Elkton, MD 21921.
8. Local News Paper Articles; The Sunday Morning Star, Wilm Del; Cecil Whig, Elkton, MD, and others found on Ancestry for Births, Engagements, and obituaries.
9. The Church of Jesus Christ of Latter-day Saints.
10. Civil War Records.
Notes:
*Records, Civil War Records Private Co "E" 5th Regt Delaware, Co "G" 7th Regt Del as a Sergeant and third with his brother in Co "A" 8 Regt Delaware as his First Sergeant.
*William’s postwar occupation was shown as a Jeweler after the war and his business address was listed as 521 Market Street, Wilmington, De.
*On 18 Nov 1898 and after Mary L. Holt died, William became a resident at the National Soldiers Home in Hampton Va.
*William is buried at Hampton National Cemetery in section "C" grave plot # 8535. His brother Robert J. Holt is buried 3 rows from William.
*BTB = Believe to Be, not confirmed.