LJ
Lucille Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Colorado
Our Model Tree links this Lucille Johnson across the 1930 and 1940 US Censuses in Jefferson-County, Colorado (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 12-person household.
Age 11
b. ~1929
Female
Daughter
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Colorado |
| Surname | Johnson |
| Given Name | Lucille J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Election Precinct 22 Edgewater No. 1 |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Election Precinct 22 Edgewater No 1 |
| Est. Birth Year | ~1929 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lucille | Age | Birth yr |
|---|---|---|---|---|
| Donna Johnson | Daughter | — | 3 | ~1937 |
| Lucille Johnson | Daughter | — | 11 | ~1929 |
| Lorraine Johnson | Daughter | — | 10 | ~1930 |
| Per Johnson | Head | — | 49 | ~1891 |
| John Johnson | Son | — | 4 | ~1936 |
| Per Johnson | Son | — | 19 | ~1921 |
| Stanley Johnson | Son | — | 22 | ~1918 |
| Thomas Johnson | Son | — | 1 | ~1939 |
| Thomas Johnson | Son | — | 24 | ~1916 |
| Carl Johnson | Son | — | 12 | ~1928 |
| Harry Johnson | Son | — | 18 | ~1922 |
| Lucy Johnson | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Jefferson, Colorado
Daughter, age 1
Jefferson, Colorado · implied b. ~1929 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lucile |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Kansas |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Jefferson-County, Colorado
Daughter, age 11
Jefferson-County, Colorado · implied b. ~1929 — 12 household members
| Surname | Johnson |
| Given Name | Lucille J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Election Precinct 22 Edgewater No. 1 |
| 1935 Residence (County) | Jefferson |
| Class of Worker | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Lucille Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lucille Johnson
Daughter · 1940 · age 11 · b. ~1929 · Colorado
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Sibling
Donna Johnson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Johnson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lorraine Johnson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Johnson
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Johnson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Johnson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Johnson
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Per Johnson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stanley Johnson
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Jefferson-County, Colorado
Open full size
1940 US Federal Census — Jefferson-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00465-00605)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John F. Mainel | 47 | Head | Baker | Maryland |
| 2 | Elizabeth C. Mainel | 57 | Wife | — | Virginia |
| 3 | Gladys E. Hobbs | 35 | Daughter | Bookkeeper | Maryland |
| 4 | — | None | — | — | — |
| 5 | — | None | — | — | — |
| 6 | George Hantriter | 62 | Head | — | Kansas |
| 7 | Effie S. Hantriter | 55 | Wife | — | Kansas |
| 8 | George A. Gilson | 37 | Head | Office | Ohio |
| 9 | Iva M. O. Gilson | 35 | Wife | Bookkeeper | Kansas |
| 10 | Shirley Ann Gilson | 10 | Daughter | — | Kansas |
| 11 | Jean L. Gilson | 6 | Son | — | Kansas |
| 12 | Wayne Kaiser | 25 | Head | Truck Driver | Kansas |
| 13 | Marcella A. Kaiser | 20 | Wife | — | Kansas |
| 14 | Judith K. Kaiser | 1 | Daughter | — | Colorado |
| 15 | Minnie K. Liebhart | 48 | Head | — | Illinois |
| 16 | Per Sten Johnson | 49 | Head | Farmer | Sweden |
| 17 | Lucy J. Johnson | 42 | Wife | — | Kansas |
| 18 | Thomas S. Johnson | 24 | Son | Laborer | Colorado |
| 19 | Stanley C. Johnson | 22 | Son | Farm Helper | Colorado |
| 20 | Per Sten Jr. Johnson | 19 | Son | Assistant On Home Farm | Colorado |
| 21 | Harry A. Johnson | 18 | Son | Helper On Farm | Colorado |
| 22 | Carl R. Johnson | 12 | Son | — | Colorado |
| 23 | Lucille J. Johnson THIS PERSON | 11 | Daughter | — | Colorado |
| 24 | Lorraine L. Johnson | 10 | Daughter | — | Colorado |
| 25 | John Robert Johnson | 4 | Son | — | Colorado |
| 26 | Donna Lee Johnson | 3 | Daughter | — | Colorado |
| 27 | Thomas Roy Johnson | 1 | Son | — | Colorado |
| 28 | William S. Briscoe | 54 | Head | Office Manager | Mississippi |
| 29 | Helen Brown Briscoe | 55 | Wife | — | Kentucky |
| 30 | William S. Ii Briscoe | 32 | Nephew | Farm Loan Officer | Mississippi |
| 31 | Fred Zohn | 25 | Head | Shipping Clerk | Colorado |
| 32 | Dorothy D. Zohn | 23 | Wife | — | Indiana |
| 33 | Gerald Lee Zohn | 3 | Son | — | Colorado |
| 34 | Clarence A. Smith | 31 | Head | Clerical Work | Kansas |
| 35 | Wilma Smith | 31 | Wife | Stenographer | Arkansas |
| 36 | Anna Brown | 82 | Mother-in-law | — | Ohio |
| 37 | Ora Smith | 53 | Mother | — | Kansas |
| 38 | Victor Liverts | 38 | Head | Director Of Case Work | North Dakota |
| 39 | Elizabeth J. Liverts | 32 | Wife | Case Worker | Colorado |
| 40 | Patricia Ann Liverts | 2 | Daughter | — | Colorado |
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)