VJ
Viola Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Charles-County, Maryland
Our Model Tree links this Viola Johnson across the 1930 and 1940 US Censuses in Charles-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 13-person household.
Age 20
b. ~1920
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Charles-County, Maryland |
| Surname | Johnson |
| Given Name | Viola |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Charles |
| Additional Details | |
| Occupation | Housework |
| Industry | Private home |
| Class of Worker | PW |
| Income (1939) | 150 |
| Highest Grade | No 4 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Housework |
| Township / Ward | District 7 |
| Est. Birth Year | ~1920 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Viola | Age | Birth yr |
|---|---|---|---|---|
| Marie Johnson | Daughter | — | 17 | ~1923 |
| Margaret Johnson | Daughter | — | 10 | ~1930 |
| Ruby Johnson | Daughter | — | 6 | ~1934 |
| Minnie Johnson | Daughter | — | 15 | ~1925 |
| Viola Johnson | Daughter | — | 20 | ~1920 |
| Evelyn Johnson | Daughter | — | 25 | ~1915 |
| Alice Johnson | Daughter | — | 11 | ~1929 |
| Margie Johnson | Daughter | — | 18 | ~1922 |
| Jennie Johnson | Head | — | 43 | ~1897 |
| Eugene Johnson | Other | — | 2 | ~1938 |
| Elizabeth Johnson | Other | — | 3 | ~1937 |
| Emory Johnson | Son | — | 9 | ~1931 |
| Raymond Johnson | Son | — | 24 | ~1916 |
Census Appearances
1930
Charles, Maryland
Daughter, age 9
Charles, Maryland · implied b. ~1921 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Viola |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Charles-County, Maryland
Daughter, age 20
Charles-County, Maryland · implied b. ~1920 — 13 household members
| Surname | Johnson |
| Given Name | Viola |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Charles |
| Occupation | Housework |
| Industry | Private home |
| Class of Worker | PW |
| Income (1939) | 150 |
| Highest Grade | No 4 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Viola Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Viola Johnson
Daughter · 1940 · age 20 · b. ~1920 · Maryland
★ You are viewing this record
Sibling
Margaret Johnson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margie Johnson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Johnson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emory Johnson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Johnson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Minnie Johnson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Johnson
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Johnson
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruby Johnson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Charles-County, Maryland
Open full size
1940 US Federal Census — Charles-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01546-00062)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Norman G. B. Saunders | 41 | Head | Farming | District of Columbia |
| 2 | Jennie Saunders | 31 | Wife | — | Holland |
| 3 | Cassie J. A. Saunders | 3 | Daughter | — | Washington D.C. |
| 4 | George S. Dyson | 45 | Head | Fireman | Maryland |
| 5 | Elizabeth Dyson | 36 | Wife | — | Maryland |
| 6 | Thomas B. Dyson | 19 | Son | Farm Work | Maryland |
| 7 | Agnes C. Dyson | 17 | Daughter | — | Maryland |
| 8 | Ruth E. Dyson | 15 | Daughter | — | Maryland |
| 9 | George C. Dyson | 13 | Son | — | Maryland |
| 10 | Paschal C. Dyson | 11 | Son | — | Maryland |
| 11 | Mary R. Dyson | 9 | Daughter | — | Maryland |
| 12 | Anna B. Dyson | 6 | Daughter | — | Maryland |
| 13 | Mildred Dyson | 3 | Daughter | — | Maryland |
| 14 | Thomas A. Dyson | 79 | Head | — | Maryland |
| 15 | Mary E. Dyson | 72 | Wife | — | Maryland |
| 16 | Jennie E. Johnson | 43 | Head | Housework | Maryland |
| 17 | Evelyn Johnson | 25 | Daughter | Housework | Maryland |
| 18 | Raymond Johnson | 24 | Son | Laborer | Maryland |
| 19 | Viola Johnson THIS PERSON | 20 | Daughter | Housework | Maryland |
| 20 | Margie Johnson | 18 | Daughter | Housework | Maryland |
| 21 | Marie Johnson | 17 | Daughter | Housework | Maryland |
| 22 | Minnie Johnson | 15 | Daughter | — | Maryland |
| 23 | Alice Johnson | 11 | Daughter | — | Maryland |
| 24 | Margaret Johnson | 10 | Daughter | — | Maryland |
| 25 | Emory Johnson | 9 | Son | — | Maryland |
| 26 | Ruby Johnson | 6 | Daughter | — | Maryland |
| 27 | Elizabeth Johnson | 3 | Granddaughter | — | Maryland |
| 28 | Eugene Johnson | 2 | Grandson | — | Maryland |
| 29 | Otto K. Shugart | 67 | Head | Attendant | North Carolina |
| 30 | Nancy P. Shugart | 44 | Wife | — | Virginia |
| 31 | Billie B. Shugart | 20 | Daughter | — | District of Columbia |
| 32 | Nancy L. Shugart | 16 | Daughter | — | District of Columbia |
| 33 | Algie G. Bowie | 63 | Head | Farming | Maryland |
| 34 | James B. Bowie | 48 | Head | Attendant | Maryland |
| 35 | Carrie F. Bowie | 47 | Wife | — | Maryland |
| 36 | Thomas C. Bowie | 24 | Son | Attendant | Maryland |
| 37 | Frank Dowie | Bowie | 30 | Head | Attendant | Maryland |
| 38 | Lillian H. Dowie | Bowie | 21 | Wife | — | Michigan |
| 39 | Sylvia J. Dowie | Bowie | 1 | Daughter | — | Maryland |
| 40 | Bessie Posey | 41 | Head | — | Maryland |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)