TJ
Theodore Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Theodore Johnson across the 1910, 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents William & Jessie — first a head (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Johnson |
| Given Name | Theodore |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Some Place |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Retail Delivery |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 1394 |
| Highest Grade | No 8 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Truck Driver |
| Township / Ward | Everett City |
| Est. Birth Year | ~1908 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Theodore | Age | Birth yr |
|---|---|---|---|---|
| Shirley Johnson | Daughter | — | 9 | ~1931 |
| Theodore Johnson | Head | — | 32 | ~1908 |
| Mary Mccaffrey | Other | — | 60 | ~1880 |
| Rosamond Johnson | Spouse | — | 33 | ~1907 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 3
Middlesex, Massachusetts · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Theodore |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Mulatto |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | District of Columbia |
| Mother's Birthplace | Virginia |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 12
Middlesex, Massachusetts · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Theodore A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Other, age 22
Middlesex, Massachusetts · implied b. ~1908 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Theodore |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 21 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Mechanic |
| Industry | Automobile |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 32
Middlesex-County, Massachusetts · implied b. ~1908 — 4 household members
| Surname | Johnson |
| Given Name | Theodore |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Some Place |
| 1935 Residence (County) | Middlesex |
| Occupation | Truck Driver |
| Industry | Retail Delivery |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 1394 |
| Highest Grade | No 8 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Theodore Johnson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Johnson (~0.92 confidence) and mother Jessie Johnson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Johnson
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Jessie Johnson
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Theodore Johnson
Head · 1940 · age 32 · b. ~1908 · Massachusetts
★ 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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01604-00186)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dorothy B. Thomas | 31 | Head | Clerk | Maine |
| 2 | Florence A. Thomas | 53 | Mother | — | Massachusetts |
| 3 | John A. Roht | 37 | Head | Salesman | Massachusetts |
| 4 | Florence Roht | 40 | Wife | — | Massachusetts |
| 5 | George Roht | 31 | Brother | Clerk | Massachusetts |
| 6 | John Roht | 67 | Father | Salesman | Hungary |
| 7 | Joseph Schram | 45 | Head | Painter | Belgium |
| 8 | Joanna Schram | 49 | Wife | — | Belgium |
| 9 | Florence Schram | 25 | Daughter | Clerk | Belgium |
| 10 | Bernard Schram | 20 | Son | New Worker | Massachusetts |
| 11 | Bertina Schram | 17 | Daughter | — | Massachusetts |
| 12 | Matilda Schram | 54 | Head | Dressmaker | France |
| 13 | John Tilley | 67 | Head | Varnish Maker | England |
| 14 | Susanna Tilley | 59 | Wife | — | Canada |
| 15 | Charles L. Tilley | 23 | Son | Machine Operator | Canada |
| 16 | Cecil J. Tilley | 19 | Son | New Worker | England |
| 17 | Melvin G. Tilley | 16 | Son | — | Massachusetts |
| 18 | Edmond J. Power | 52 | Head | Manager | Massachusetts |
| 19 | Julia T. Power | 50 | Wife | Nurse | Canada |
| 20 | Edmond J. Jr. Power | 17 | Son | — | Massachusetts |
| 21 | Gerome Power | 16 | Son | — | Massachusetts |
| 22 | John D. Power | 14 | Son | — | Massachusetts |
| 23 | Andrew F. Leete | 21 | Head | Shipper | Rhode Island |
| 24 | Rhoda Leete | 18 | Wife | — | Massachusetts |
| 25 | Margaret R. Leete | 0 | Son | — | Massachusetts |
| 26 | John J. Digby | 33 | Head | Stockman | Massachusetts |
| 27 | Mary T. Digby | 28 | Wife | — | Rhode Island |
| 28 | Eleanor M. Digby | 1 | Daughter | — | Massachusetts |
| 29 | Theodore Johnson THIS PERSON | 32 | Head | Truck Driver | Massachusetts |
| 30 | Rosamond B. Johnson | 33 | Wife | Chambermaid | Newfoundland |
| 31 | Shirley Johnson | 9 | Daughter | — | Massachusetts |
| 32 | Mary Mccaffrey | 60 | Housekeeper | Housekeeper | Rhode Island |
| 33 | Anna Stack | 46 | Head | Seamstress | Massachusetts |
| 34 | Ione C. Stevens | 27 | Daughter | Drawer | Massachusetts |
| 35 | Donald E. Stevens | 7 | Daughter | — | Massachusetts |
| 36 | Vincent Traniello | 27 | Head | Operator | New Hampshire |
| 37 | Jeannette Traniello | 27 | Wife | Machine Operator | New Hampshire |
| 38 | Chester Jones | 54 | Head | Salesman | Massachusetts |
| 39 | Bertha Jones | 54 | Wife | — | Maine |
| 40 | Dorothy Jones | 24 | Daughter | Nurse | Massachusetts |
Pedigree Summary
Theodore
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)