LJ
Louis Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cumberland-County, Maine
Our Model Tree links this Louis Johnson across the 1920, 1930 and 1940 US Censuses in Cumberland-County, Maine (XGBoost, ~Confirmed) — first a head (b.~1894), then head of a 6-person household.
Age 46
b. ~1894
Male
Head
Born: Maine
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cumberland-County, Maine |
| Surname | Johnson |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Cumberland |
| Additional Details | |
| Occupation | Fisherman |
| Industry | Fishing |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Occupation | Fisherman |
| Township / Ward | Portland City |
| Est. Birth Year | ~1894 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Louis | Age | Birth yr |
|---|---|---|---|---|
| Clara Johnson | Daughter | — | 14 | ~1926 |
| Joan Johnson | Daughter | — | 8 | ~1932 |
| Jean Johnson | Daughter | — | 8 | ~1932 |
| Louis Johnson | Head | — | 46 | ~1894 |
| Wesley Johnson | Son | — | 11 | ~1929 |
| Evia Johnson | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Cumberland, Maine
Head, age 25
Cumberland, Maine · implied b. ~1895
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Johnson |
| Given Name | Lewis A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | Laborer |
| Industry | Cement works |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
Head, age 36
Cumberland, Maine · implied b. ~1894 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lewis P |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Maine |
| Age at First Marriage | 19 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | Fisherman |
| Industry | Casco Bay |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 800 |
| Veteran | No |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Cumberland-County, Maine
Head, age 46
Cumberland-County, Maine · implied b. ~1894 — 6 household members
| Surname | Johnson |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Cumberland |
| Occupation | Fisherman |
| Industry | Fishing |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 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 Louis Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Louis Johnson
Head · 1940 · age 46 · b. ~1894 · Maine
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cumberland-County, Maine
Open full size
1940 US Federal Census — Cumberland-County, Maine
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01475-00010)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lucy B. Hill | 35 | Lodger | Teacher | Maine |
| 42 | Fred Rich | 51 | Head | Fisherman | Maine |
| 43 | Katherine Rich | 43 | Wife | — | Maine |
| 44 | Rodger Rich | 23 | Son | Fisherman | Maine |
| 45 | James Rich | 21 | Son | Fisherman | Maine |
| 46 | Edith Rich | 18 | Daughter | Domestic | Maine |
| 47 | Viola Rich | 13 | Daughter | — | Maine |
| 48 | Adia Breen | 74 | Head | — | Maine |
| 49 | Royal Alexander | 61 | Lodger | Janitor | Maine |
| 50 | Thomas F. Wood | 40 | Head | Carpenter | Virginia |
| 51 | Lida Wood | 32 | Wife | — | Maine |
| 52 | Thomas M. Wood | 12 | Son | — | Maine |
| 53 | Beverly L. Wood | 10 | Daughter | — | Maine |
| 54 | Olin F. Wood | 7 | Son | — | Maine |
| 55 | Roland E. Wood | 5 | Son | — | Maine |
| 56 | Harry L. Clark | 44 | Head | Salesman | Maine |
| 57 | Clara E. Clark | 43 | Wife | — | Maine |
| 58 | Henry D. Clark | 19 | Son | Deck Hand | Maine |
| 59 | Leon E. Clark | 18 | Son | — | Maine |
| 60 | Harry L. Jr. Clark | 16 | Son | — | Maine |
| 61 | Edna B. Clark | 13 | Daughter | — | Maine |
| 62 | Betty M. Clark | 12 | Daughter | — | Maine |
| 63 | Phoebe Lord | 23 | Daughter | — | Maine |
| 64 | Jeanne Lord | 1 | Grand-daughter | — | Maine |
| 65 | Guy A. Johnson | 65 | Head | Fisherman | Maine |
| 66 | Pauline Johnson | 60 | Wife | — | Maine |
| 67 | Louis Johnson THIS PERSON | 46 | Head | Fisherman | Maine |
| 68 | Evia Johnson | 46 | Wife | — | Maine |
| 69 | Clara Johnson | 14 | Daughter | — | Maine |
| 70 | Wesley Johnson | 11 | Son | — | Maine |
| 71 | Joan Johnson | 8 | Daughter | — | Maine |
| 72 | Jean Johnson | 8 | Daughter | — | Maine |
| 73 | Alfred Lowell | 26 | Head | Fisherman | Maine |
| 74 | Muriel Lowell | 25 | Wife | — | Massachusetts |
| 75 | Harry P. Lowell | 65 | Head | Shipper | Maine |
| 76 | Mary W. Lowell | 65 | Wife | — | Maine |
| 77 | Zoeth Rich | 35 | Head | Fisherman | Maine |
| 78 | Mary L. Rich | 32 | Wife | — | Maine |
| 79 | Donald Rich | 14 | Son | — | Maine |
| 80 | Douglass Rich | 11 | Son | — | Maine |
Related Census Records
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)