JJ
James Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this James Johnson across the 1910, 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Arthur & Andrew — first a head (b.~1897), then head of a 5-person household.
Age 43
b. ~1897
Male
Head
Born: Maine
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Johnson |
| Given Name | James L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Stoneham |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Sales Agent |
| Industry | Office Furniture |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 1567 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Occupation | Sales Agent |
| Township / Ward | Stoneham |
| Est. Birth Year | ~1897 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Marilyn Johnson | Daughter | — | 15 | ~1925 |
| James Johnson | Head | — | 43 | ~1897 |
| Elva Allen | Other | — | 71 | ~1869 |
| James Allen | Other | — | 71 | ~1869 |
| Kathryn Johnson | Spouse | — | 39 | ~1901 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 14
Middlesex, Massachusetts · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | James L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Nova Scotia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1920
Middlesex, Massachusetts
Son, age 23
Middlesex, Massachusetts · implied b. ~1897 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Nova Scotia |
| Occupation | Boot maker |
| Industry | Rubber Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Middlesex, Massachusetts
Head, age 33
Middlesex, Massachusetts · implied b. ~1897 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | James T. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Maine |
| Age at First Marriage | 24 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Canada English |
| Occupation | Traveling Salesman |
| Industry | Wholesale Furniture |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Middlesex-County, Massachusetts
Head, age 43
Middlesex-County, Massachusetts · implied b. ~1897 — 5 household members
| Surname | Johnson |
| Given Name | James L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Stoneham |
| 1935 Residence (County) | Middlesex |
| Occupation | Sales Agent |
| Industry | Office Furniture |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 1567 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 James Johnson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Arthur Johnson (~0.92 confidence) and father Andrew Johnson (~0.92 confidence) and mother Elizabeth Johnson (~0.92 confidence) and mother Bessie Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Arthur Johnson
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Andrew Johnson
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Johnson
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Bessie Johnson
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Johnson
Head · 1940 · age 43 · b. ~1897 · 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-t0627-01617-00520)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jay E. Hawkins | 30 | Head | Salesman | Mass |
| 42 | Russell Hawkins | 10 | Son | — | Mass |
| 43 | Emma Lecount | 47 | Head | — | Mass |
| 44 | Clarence Kane | 51 | Head | Launderer | Maine |
| 45 | Evan Kane | 53 | Wife | — | Maine |
| 46 | Paul E. Kane | 20 | Son | Truck Driver | Mass |
| 47 | Iola Kane | 21 | Daughter | Launderer | Mass |
| 48 | Shirley Kane | 18 | Daughter | Launderer | Mass |
| 49 | Irene M. Lee | 30 | Daughter | Launderer | Maine |
| 50 | Gloria Lee | 12 | Granddaughter | — | Mass |
| 51 | Roberta Lee | 10 | Granddaughter | — | Mass |
| 52 | Gertrude Macconnell | 55 | Sister-in-law | Launderer | Maine |
| 53 | Peter Mccallum | 59 | Head | Foreman | Canada Eng |
| 54 | Alice M. Mccallum | 58 | Wife | — | Canada Eng |
| 55 | Janette Malm | 80 | Mother-in-law | — | Canada Eng |
| 56 | James L. Johnson THIS PERSON | 43 | Head | Sales Agent | Maine |
| 57 | Kathryn A. Johnson | 39 | Wife | — | Maine |
| 58 | Marilyn Johnson | 15 | Daughter | — | Mass |
| 59 | Elva Allen | 71 | Mother-in-law | — | Maine |
| 60 | James Allen | 71 | Father-in-law | — | Maine |
| 61 | Salvatore Lambo | 44 | Head | Paper Layer | Italy |
| 62 | Mary Lambo | 44 | Wife | — | Italy |
| 63 | Salvatore Lambo | 11 | Son | Machinist | Italy |
| 64 | Santo Lambo | 11 | Son | — | Mass |
| 65 | John Lambo | 2 | Son | — | Mass |
| 66 | Joseph Lambo | 0 | Son | — | Mass |
| 67 | Henry Houlton | 74 | Head | — | England |
| 68 | Rose Houlton | 73 | Wife | — | Maryland |
| 69 | Oscar Hanson | 45 | Head | Upholsterer | Mass |
| 70 | Grace Hanson | 41 | Wife | — | Maine |
| 71 | Alfred Hanson | 13 | Son | — | Mass |
| 72 | Allen Hanson | 11 | Son | — | Mass |
| 73 | Beverly Hanson | 7 | Daughter | — | Mass |
| 74 | Joan Hanson | 3 | Daughter | — | Mass |
| 75 | William Morrison | 53 | Head | Steam Engineer | Mass |
| 76 | Christine Morrison | 51 | Wife | — | Mass |
| 77 | Leslie Morrison | 25 | Son | Fireman | Mass |
| 78 | William Jr. Morrison | 16 | Son | — | Mass |
| 79 | Thacker W. Smith | 52 | Head | Carpenter | Mass |
| 80 | Mabel H. Smith | 46 | Wife | — | Mass |
Pedigree Summary
James
Gen 1 · 4 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)