1860 U.S. Census, Essex County, Virginia:
Dwelling 763, Family 748
Brizendine, Temple, 40, farmer, $900 real estate, $320 personal estate
Brizendine, Mary A., 39
Brizendine, Wilton, 12
Brizendine, Alice, 10
Brizendine, Polly C., 8
Brizendine, Janetta, 6, female
Brizendine, Richard B., 4
Brizendine, Alfred, 1

1870 U.S. Census, Essex County, Virginia
Miller’s Tavern Post Office, page 130
Dwelling 325, family 325
Brizendine, Temple, 51, male, white, farmer, $1,000 real estate, $300 personal estate, born in Virginia
Brizendine, Mary A., 49, female, white, keeping house, born in Virginia
Brizendine, Wilton, 22, male, white, farm laborer, born in Virginia
Brizendine, Alice, 19, female, white, without occupation, born in Virginia
Brizendine, Polly, 17, female, white, without occupation, born in Virginia
Brizendine, Janette, 15, female, white, without occupation, born in Virginia
Brizendine, Richard, 13, male, white, farm laborer, born in Virginia
Brizendine, Alfred, 11, male, white, farm laborer, born in Virginia
Brizendine, Fannie A., 7, female, white, at home, born in Virginia

1880 U.S. Census, Essex County, Virginia
Chapel Grove Precinct, Enumeration District 21, Sheet 203
Dwelling 201, Family 201
Brizendine, Mary, white, female, 53, widowed, keeping house, born in Virginia, both parents born in Virginia
Brizendine, Alice B., white, female, 24, daughter, single, at home, born in Virginia, both parents born in Virginia
Brizendine, Mollie K., white, female, 22, daughter, single, at home, born in Virginia, both parents born in Virginia
Brizendine, Richard, white, male, 18, son, single, works on farm, born in Virginia, both parents born in Virginia
Brizendine, Alfred, white, male, 16, son, single, works on farm, born in Virginia, both parents born in Virginia
Brizendine, Fannie, white, female, 13, daughter, single, at home, born in Virginia, both parents born in Virginia

1900 U.S. Census, Essex County, Virginia
Rappahannock District, Enumeration District 28, Sheet 11
Dwelling 213, Family 215
Shearwood, John R., head, white, male, born January 1851, 49, married, married for 16 years, born in Virginia, both parents born in Virginia, farmer, not in school, can read and write, speaks English, owns farm free of mortgage, 193 on farm schedule
Shearwood, Mollie K., wife, white, female, born November 1852, 48, married, married for 16 years, mother of 2 children of whom one survive, born in Virginia, both parents born in Virginia, can read and write, speaks English
Shearwood, Letha L., daughter, white, female, born October 1886, 13, single, born in Virginia, both parents born in Virginia, at school, attended school for 5 months previous year, can read and write, speaks English

1910 U.S. Census, Essex County, Virginia:
Rappahannock District, Dwelling 223, Family 226
Shearwood, John R., 58, second marriage, this marriage 25 years, farmer on general farm, owns farm free of mortgage, farm schedule 214
Shearwood, Mollie K., 56, first marriage
Shearwood, Letha L., 22 [no relationship listed to above]

1920 U.S. Census, Essex County, Virginia:
Rappahannock District, E.D. 44, Dwelling 135, Family 136, Essex Mill Road
Sherwood, J. R., head, 68, farmer, general farm
Sherwood, M. K., wife, 66
Boughan, L. S., daughter, 32, seamstress, working at home
Boughan, Joseph, son-in-law, 31, teamster, lumber yard

Her full name is provided in the obituary of her husband John Shearwood.

Probably same person as Polly C. Brizendine, daughter of Temple Brizendine.