1870 U.S. Census, Essex County, Virginia [transcribed by William I. Brooks]:
Dwelling 396, Family 396
Brooks, Beverly, 56, male, white, farmer, $500 real estate, $275 personal estate, unable to read or write, eligible to vote
Brooks, Lucy Ann, 56, female, white, keeping house, unable to read or write
Brooks, George, 21, male, white, farm laborer, unable to read or write
Brooks, Lucinda P., 19, female, white, without occupation, unable to read or write
Brooks, Susan M., 16, female, white, without occupation
Brooks, Amanda, 15, female, white, without occupation
Brooks, Alexander, 13, male, white, farm laborer, unable to read or write
Brooks, Henry E., 10 male, white, farm laborer, unable to read or write
Hill David, 15, male, black, farm laborer, unable to read or write

Lewis E. Dix married Lucinda P. Brooks on 22 December 1870 in Essex County, Virginia. He was 23, single, born in Essex and living there, son of William Dix and Julia Taylor, occupation farmer. She was 20, single, born in Essex and living there, daughter of Beverley Brooks and Lucy A. Atkins. Married by Isaac Diggs. [Essex County, Virginia, Marriage Register Book 1, page 27.]

1880 U.S. Census, Essex County, Virginia
Chapel Grove Precinct
Page 200 (18)
Dwelling 161, Family 161
Dix, Lewis, white, male, 32, married, farmer, born in Virginia, both parents born in Virginia
Dix, Lucy P., white, female, 24, wife, married, keeping house, born in Virginia, both parents born in Virginia
Dix, Virginia, white, female, 7, daughter, at home, born in Virginia, both parents born in Virginia
Dix, Magruder, white, male, 5, son, at home, born in Virginia, both parents born in Virginia
Dix, Lucy L., white, female, 4, daughter, born in Virginia, both parents born in Virginia
Dix, Walter, white, male, 3, son, born in Virginia, both parents born in Virginia
Dix, William, white, male, 9/12, born in April, son, born in Virginia, both parents born in Virginia

Lucinda Dix was mentioned in the 13 February 1917 will of her husband Lewis E. Dix. She was to receive all interest in the Taynard property, a life interest in the home tract known as Brooks, and a life interest in personal property. [Essex County, Virginia, Wills, Fiduciary Accounts, Etc. 3, pages 280–281.]