CJ
Clarence Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Clarence Johnson across the 1910, 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Henry & Carl — first a head (b.~1906), then head of a 3-person household.
Age 34
b. ~1906
Male
Head
Born: New Hampshire
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Johnson |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Lynn City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Machinist |
| Industry | General Electric |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1650 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Occupation | Machinist |
| Township / Ward | Lynn City |
| Est. Birth Year | ~1906 |
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 Clarence | Age | Birth yr |
|---|---|---|---|---|
| Joan Johnson | Daughter | — | 1 | ~1939 |
| Clarence Johnson | Head | — | 34 | ~1906 |
| Sophie Johnson | Spouse | — | 37 | ~1903 |
Census Appearances
1910
Essex, Massachusetts
Son, age 4
Essex, Massachusetts · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1920
Essex, Massachusetts
Son, age 14
Essex, Massachusetts · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Essex, Massachusetts
Son, age 24
Essex, Massachusetts · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Clarence H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Die setter |
| Industry | Electric appliance mfg |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Essex-County, Massachusetts
Head, age 34
Essex-County, Massachusetts · implied b. ~1906 — 3 household members
| Surname | Johnson |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Lynn City |
| 1935 Residence (County) | Essex |
| Occupation | Machinist |
| Industry | General Electric |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1650 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 Clarence Johnson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Johnson (~0.92 confidence) and father Carl Johnson (~0.92 confidence) and father Charles Johnson (~0.92 confidence) and mother Hulda Johnson (~0.92 confidence) and mother Hilda Johnson (~0.92 confidence) and mother Hilda Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Johnson
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Carl Johnson
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Charles Johnson
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Hulda Johnson
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Hilda Johnson
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Hilda Johnson
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Johnson
Head · 1940 · age 34 · b. ~1906 · 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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01697-00433)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frederick Bowler | 34 | Son in law | Clerk | Massachusetts |
| 42 | Margaret E. Bowler | 31 | Daughter | — | Massachusetts |
| 43 | Anthony Di Filippo | 24 | Head | Caretaker | Massachusetts |
| 44 | Lena Di Filippo | 25 | Wife | — | Massachusetts |
| 45 | Caroline Di Filippo | 5 | Daughter | — | — |
| 46 | Catherine Mcdonough | 76 | Head | — | Massachusetts |
| 47 | Leo Mcdonough | 22 | Son | Machinist | Massachusetts |
| 48 | Mary Gilmartin | 34 | Daughter | Shoe Worker | Massachusetts |
| 49 | Anna Farmer | 71 | Sister | — | Massachusetts |
| 50 | Anthony Grecki | 51 | Head | Steel Worker | Poland |
| 51 | Felicia Grecki | 49 | Wife | — | Poland |
| 52 | Stella Grecki | 25 | Daughter | Stitcher (Shoe) | Massachusetts |
| 53 | Sylvester Grecki | 22 | Son | Stitcher (Shoe) | Massachusetts |
| 54 | Joseph Picone | 42 | Head | Collector | Massachusetts |
| 55 | Jessie Picone | 40 | Wife | — | Massachusetts |
| 56 | Clarence Johnson THIS PERSON | 34 | Head | Machinist | New Hampshire |
| 57 | Sophie Johnson | 37 | Wife | — | Massachusetts |
| 58 | Joan J. Johnson | 1 | Daughter | — | — |
| 59 | Francis E. Cheever | 48 | Head | Carpenter | Massachusetts |
| 60 | Bertha Cheever | 45 | Wife | — | Massachusetts |
| 61 | Helen Cheever | 22 | Daughter | Bulb Worker | Massachusetts |
| 62 | Ray Cheever | 17 | Son | — | Massachusetts |
| 63 | Francis Cheever | 14 | Son | — | Massachusetts |
| 64 | Earl Cheever | 12 | Son | — | Massachusetts |
| 65 | Douglas Cheever | 7 | Son | — | Massachusetts |
| 66 | Peter Smiarowski | 45 | Head | House Painter | Poland |
| 67 | Stella Smiarowski | 48 | Wife | Leather Worker | Poland |
| 68 | Genevieve Smiarowski | 23 | Daughter | Machine Oper. | Massachusetts |
| 69 | John Smiarowski | 18 | Son | Wholesale Clerk | Massachusetts |
| 70 | Michael Smiarowski | 16 | Son | — | Massachusetts |
| 71 | George Barlow | 55 | Head | Truck Driver | Massachusetts |
| 72 | Evelyn Barlow | 53 | Wife | — | Massachusetts |
| 73 | George Jr. Barlow | 1 | Son | — | — |
| 74 | Frank Constantino | 48 | Head | Meter Worker | Italy |
| 75 | Antonia Constantino | 45 | Wife | — | Italy |
| 76 | Harry Constantino | 17 | Son | Floor Walker | Massachusetts |
| 77 | Anna Constantino | 15 | Daughter | — | Massachusetts |
| 78 | Michael Constantino | 13 | Son | — | Massachusetts |
| 79 | Dominic Constantino | 12 | Son | — | Massachusetts |
| 80 | Daniel Constantino | 10 | Son | — | Massachusetts |
Pedigree Summary
Clarence
Gen 1 · 6 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)