KJ
Katherine Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bedford-County, Virginia
Our Model Tree links this Katherine Johnson across the 1930 and 1940 US Censuses in Bedford-County, Virginia (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Female
Daughter
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bedford-County, Virginia |
| Surname | Johnson |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Bedford |
| 1935 Residence (County) | Bedford |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 2 |
| 1935 Residence | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Liberty Magisterial District |
| Est. Birth Year | ~1926 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Katherine | Age | Birth yr |
|---|---|---|---|---|
| Katherine Johnson | Daughter | — | 14 | ~1926 |
| Fletcher Johnson | Son | — | 9 | ~1931 |
| Josephine Johnson | Daughter | — | 13 | ~1927 |
| Fletcher Johnson | Head | — | 40 | ~1900 |
| Herman Johnson | Son | — | 3 | ~1937 |
| Betty Johnson | Daughter | — | 4 | ~1936 |
| Irene Johnson | Daughter | — | 12 | ~1928 |
| Jennie Johnson | Son | — | 10 | ~1930 |
| Katherine Johnson | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Bedford, Virginia
Daughter, age 4
Bedford, Virginia · implied b. ~1926 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | No |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Bedford-County, Virginia
Daughter, age 14
Bedford-County, Virginia · implied b. ~1926 — 9 household members
| Surname | Johnson |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Bedford |
| 1935 Residence (County) | Bedford |
| Class of Worker | 0 |
| Highest Grade | 2 |
| 1935 Residence | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Katherine Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Katherine Johnson
Daughter · 1940 · age 14 · b. ~1926 · Virginia
★ You are viewing this record
Sibling
Fletcher Johnson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jennie Johnson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Johnson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herman Johnson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Johnson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Johnson
Sibling · 1940 · age 13
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 — Bedford-County, Virginia
Open full size
1940 US Federal Census — Bedford-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04248-00728)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lillie K Coleman | 26 | Wife | Weaver | Virginia |
| 2 | Gene R Coleman | 5 | Son | — | Virginia |
| 3 | Sam W Coleman | 57 | Head | Farmer | Virginia |
| 4 | Cornelia S Coleman | 52 | Wife | — | Virginia |
| 5 | Alminia V Coleman | 24 | Daughter | Warper Operator | Virginia |
| 6 | Fredrick A Coleman | 14 | Son | — | Virginia |
| 7 | Calvin H Coleman | 12 | Son | — | Virginia |
| 8 | Dora J Coleman | 9 | Daughter | — | Virginia |
| 9 | Mary W Gallaghy | 73 | Mother-in-law | — | Virginia |
| 10 | Fletcher Johnson | 40 | Head | Farm Laborer | Virginia |
| 11 | Katherine Johnson | 38 | Wife | — | Virginia |
| 12 | Katherine Johnson THIS PERSON | 14 | Daughter | — | Virginia |
| 13 | Josephine Johnson | 13 | Daughter | — | Virginia |
| 14 | Irene Johnson | 12 | Daughter | — | Virginia |
| 15 | Jennie Johnson | 10 | Son | — | Virginia |
| 16 | Fletcher E Johnson | 9 | Son | — | Virginia |
| 17 | Betty J Johnson | 4 | Daughter | — | Virginia |
| 18 | Herman R Johnson | 3 | Son | — | Virginia |
| 19 | Sam B Johnson | 65 | Head | Farm Laborer | Virginia |
| 20 | Mattie O Johnson | 65 | Head | — | Virginia |
| 21 | Minnie Payne | 26 | Lodger | Gardener | Virginia |
| 22 | Susie Webb | 30 | Lodger | Seamstress | Virginia |
| 23 | Samuel H Edwards | 28 | Head | Filling Station Attendant | Virginia |
| 24 | Frank E Leftwich | 24 | Hired hand | Filling Station Attendant | Virginia |
| 25 | Henry Gray | 44 | Head | Fireman | Virginia |
| 26 | Herbert Gray | 24 | Son | Farm Laborer | Virginia |
| 27 | Henry D Dooley | 48 | Head | Blacksmith | Virginia |
| 28 | Hettie M Dooley | 53 | Wife | — | Virginia |
| 29 | Glenn H Dooley | 20 | Son | Salesman | Virginia |
| 30 | James R Dooley | 17 | Son | — | Virginia |
| 31 | William J Scott | 43 | Head | Foreman Stock Department | Virginia |
| 32 | Bessie A Scott | 41 | Wife | — | Virginia |
| 33 | Holcombe P Scott | 22 | Son | Spinner | Virginia |
| 34 | Harry W Scott | 19 | Son | Spinner | Virginia |
| 35 | Ellen F Scott | 18 | Daughter | File Clerk | Virginia |
| 36 | Marion S Scott | 17 | Daughter | — | Virginia |
| 37 | Selia O Scott | 13 | Daughter | — | Virginia |
| 38 | Juanita M Scott | 7 | Daughter | — | Virginia |
| 39 | Charlotte A Scott | 5 | Daughter | — | Virginia |
| 40 | Isadore B Rosazza | 51 | Head | Salesman | Virginia |
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)