FJ
Frederick Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Trumbull-County, Ohio
Our Model Tree links this Frederick Johnson across the 1920, 1930 and 1940 US Censuses in Trumbull-County, Ohio (XGBoost, ~Confirmed), with identified parents Samuel & Anna — first a head (b.~1900), then head of a 3-person household.
Age 40
b. ~1900
Male
Head
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Trumbull-County, Ohio |
| Surname | Johnson |
| Given Name | Frederick G |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Niles |
| 1935 Residence (County) | Trumbull |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Salesman |
| Industry | Automobile |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 1400 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Occupation | Salesman |
| Township / Ward | Niles |
| Est. Birth Year | ~1900 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frederick | Age | Birth yr |
|---|---|---|---|---|
| Edward Johnson | Son | — | 14 | ~1926 |
| Blanche Johnson | Spouse | — | 32 | ~1908 |
| Frederick Johnson | Head | — | 40 | ~1900 |
Census Appearances
1920
Trumbull, Ohio
Son, age 20
Trumbull, Ohio · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Frederick H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | England |
| Year of Immigration | 1905 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Mechanic |
| Industry | Garage |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Year of Naturalization | 1910 |
| Birthplace (normalized) | england |
Head, age 30
Trumbull, Ohio · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Fred G. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1905 |
| Age at First Marriage | 24 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Salesman |
| Industry | Motor |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| Radio Set | R |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Trumbull-County, Ohio
Head, age 40
Trumbull-County, Ohio · implied b. ~1900 — 3 household members
| Surname | Johnson |
| Given Name | Frederick G |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Niles |
| 1935 Residence (County) | Trumbull |
| Naturalization Status | Naturalized |
| Occupation | Salesman |
| Industry | Automobile |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 1400 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Samuel Johnson (~0.92 confidence) and mother Anna Johnson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Samuel Johnson
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Anna Johnson
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frederick Johnson
Head · 1940 · age 40 · b. ~1900 · Ohio
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Trumbull-County, Ohio
Open full size
1940 US Federal Census — Trumbull-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03159-00104)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Richard Q Hofmeister | 24 | Head | Staker | Pennsylvania |
| 42 | Elizabeth Jane Hofmeister | 20 | Wife | Stenographer | Ohio |
| 43 | Oliver C Evans | 52 | Head | Service Director | Ohio |
| 44 | Jennie May Evans | 50 | Wife | — | Ohio |
| 45 | John Grainger | 69 | Head | — | Pennsylvania |
| 46 | Janet Grainger | 62 | Wife | — | Wales |
| 47 | Carl Ballinger | 32 | Son in law | Checker | Ohio |
| 48 | Emma A Ballinger | 31 | Daughter | — | Ohio |
| 49 | William Bolard | 35 | Head | Brick Layer | Pennsylvania |
| 50 | Henrietta R Bolard | 34 | Wife | — | Pennsylvania |
| 51 | John R Bolard | 7 | Son | — | Pennsylvania |
| 52 | Frank E Moore | 51 | Head | Clerk | Ohio |
| 53 | Margaret Moore | 50 | Wife | — | New York |
| 54 | Marie J Moore | 29 | Daughter | Auditor | Ohio |
| 55 | Francis E Moore | 25 | Son | Salesman | Ohio |
| 56 | Thomas F Rogers | 61 | Head | Pilot & Shoveler | Ohio |
| 57 | Elizabeth Rogers | 63 | Wife | — | Ohio |
| 58 | — | None | — | — | — |
| 59 | — | None | — | — | — |
| 60 | Elmer R Q Irvin | 50 | Head | Asst. Superintendent | Pennsylvania |
| 61 | Anne M Irvin | 51 | Wife | — | Pennsylvania |
| 62 | Ruth E Irvin | 25 | Daughter | Stenographer | Pennsylvania |
| 63 | John Gallagher | 34 | Head | Tallyman | Ohio |
| 64 | Elsie @ Gallagher | 34 | Wife | — | Ohio |
| 65 | Elsie M Gallagher | 10 | Daughter | — | Ohio |
| 66 | William Gallagher | 8 | Son | — | Ohio |
| 67 | John H Mcintire | 35 | Head | Motor Inspector | Ohio |
| 68 | Marguerite Mcintire | 33 | Wife | — | Ohio |
| 69 | Betty E Mcintire | 10 | Daughter | — | Ohio |
| 70 | Joann May Mcintire | 2 | Daughter | — | Ohio |
| 71 | Frederick G Johnson THIS PERSON | 40 | Head | Salesman | England |
| 72 | Blanche E Johnson | 32 | Wife | — | Missouri |
| 73 | Edward G Johnson | 14 | Son | — | Ohio |
| 74 | Lawrence C Q Trimbur | 42 | Head | Roller | Ohio |
| 75 | Olive L Trimbur | 47 | Wife | — | Ohio |
| 76 | Bernard Trimbur | 40 | Head | Office | Ohio |
| 77 | Theresa @ Trimbur | 32 | Wife | — | Pennsylvania |
| 78 | Dorothy M Trimbur | 13 | Daughter | — | Ohio |
| 79 | Bernard F Trimbur | 5 | Son | — | Ohio |
| 80 | Elizabeth @ Dodson | 55 | Head | — | Pennsylvania |
Related Census Records
Pedigree Summary
Frederick
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)