FJ
Frederick Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Knox-County, Tennessee
Our Model Tree links this Frederick Johnson across the 1930 and 1940 US Censuses in Knox-County, Tennessee (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 10-person household.
Age 14
b. ~1926
Male
Son
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Tennessee |
| Surname | Johnson |
| Given Name | Frederick |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Knoxville |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Occupation | clerk |
| Industry | Retail grocery store |
| Class of Worker | PW |
| Hours Worked | 6 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Clerk |
| Township / Ward | Knoxville |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frederick | Age | Birth yr |
|---|---|---|---|---|
| Edward Johnson | Son | — | ~1940 | |
| Beulah Johnson | Daughter | — | 21 | ~1919 |
| Mary Johnson | Daughter | — | 8 | ~1932 |
| Will Johnson | Head | — | 49 | ~1891 |
| Alvin Johnson | Son | — | 13 | ~1927 |
| Helen Johnson | Daughter | — | 6 | ~1934 |
| Alice Johnson | Daughter | — | 14 | ~1926 |
| Frederick Johnson | Son | — | 14 | ~1926 |
| Margaret Johnson | Spouse | — | 39 | ~1901 |
| Shirley Johnson | Daughter | — | 3 | ~1937 |
Census Appearances
1930
Knox, Tennessee
Son, age 3
Knox, Tennessee · implied b. ~1927 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Freddy R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read/Write | No |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Knox-County, Tennessee
Son, age 14
Knox-County, Tennessee · implied b. ~1926 — 10 household members
| Surname | Johnson |
| Given Name | Frederick |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Knoxville |
| 1935 Residence (County) | Knox |
| Occupation | clerk |
| Industry | Retail grocery store |
| Class of Worker | PW |
| Hours Worked | 6 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Frederick Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Frederick Johnson
Son · 1940 · age 14 · b. ~1926 · Tennessee
★ You are viewing this record
Sibling
Alvin Johnson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beulah Johnson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Johnson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Johnson
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Johnson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Johnson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Johnson
Sibling · 1940 · age 3
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 — Knox-County, Tennessee
Open full size
1940 US Federal Census — Knox-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03956-00607)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James C. Shipley | 40 | Head | Cabinet Maker | Tennessee |
| 42 | Lorene Shipley | 40 | Wife | — | Tennessee |
| 43 | Beulah Shipley | 18 | Daughter | House Keeper | Tennessee |
| 44 | Robert Shipley | 16 | Son | — | Tennessee |
| 45 | James Shipley | 14 | Son | — | Tennessee |
| 46 | Joseph Shipley | 12 | Son | — | Tennessee |
| 47 | Jean Shipley | 8 | Daughter | — | Tennessee |
| 48 | Ellis Shipley | 7 | Daughter | — | Tennessee |
| 49 | Ernest Cox | 26 | Head | Clerk | Tennessee |
| 50 | Marie Pearl Cox | 24 | Wife | — | Tennessee |
| 51 | Ronald Alan Cox | 7 | Son | — | Tennessee |
| 52 | Mary Jean Cox | 5 | Daughter | — | Tennessee |
| 53 | James Jr. Cox | 1 | Son | — | Tennessee |
| 54 | Bertha Moore | 18 | Cousin | House Keeper | Tennessee |
| 55 | Bertha H. Pollard | 35 | Head | House Keeping | Tennessee |
| 56 | Hazel Marie Pollard | 12 | Daughter | — | Michigan |
| 57 | June Anna Pollard | 9 | Daughter | — | Tennessee |
| 58 | Will Weaver | 63 | Head | Painter Carpenter | Georgia |
| 59 | Callie Weaver | 55 | Wife | — | Georgia |
| 60 | Vila Weaver | 19 | Daughter | City Ticket Seller | Tennessee |
| 61 | Gladys Weaver | 17 | Daughter | Teacher Helper | Tennessee |
| 62 | Cleo Weaver | 13 | Daughter | — | Tennessee |
| 63 | Peggy Weaver | 8 | Daughter | — | Tennessee |
| 64 | Will Johnson | 49 | Head | Stock Clerk | Tennessee |
| 65 | Margaret Johnson | 39 | Wife | — | Tennessee |
| 66 | Beulah Johnson | 21 | Daughter | Fountain Girl | Tennessee |
| 67 | Frederick Johnson THIS PERSON | 14 | Son | Clerk | Tennessee |
| 68 | Alice Johnson | 14 | Daughter | — | Tennessee |
| 69 | Alvin Johnson | 13 | Son | — | Tennessee |
| 70 | Mary Margaret Johnson | 8 | Daughter | — | Tennessee |
| 71 | Helen Louise Johnson | 6 | Daughter | — | Tennessee |
| 72 | Shirley Ann Johnson | 3 | Daughter | — | Tennessee |
| 73 | Edward Johnson | 0 | Son | — | Tennessee |
| 74 | Richmond Wilkes | 73 | Head | — | England |
| 75 | Christine Wilkes | 71 | Wife | — | New York |
| 76 | William H. Connatser | 38 | Head | Book Keeper | Tennessee |
| 77 | Margaret Connatser | 40 | Wife | Mill Weight | Tennessee |
| 78 | James Provitt | 22 | Son-in-law | Carpenter | Tennessee |
| 79 | Mary Provitt | 21 | Daughter | — | Tennessee |
| 80 | Provitt | 0 | Daughter | — | Tennessee |
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)