FJ
Florence Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Denver, Colorado
Our Model Tree links this Florence Johnson across the 1910, 1920 and 1930 US Censuses in Denver, Colorado (XGBoost, ~Confirmed), with identified parents Chas & C — first a daughter (b.~1909), then head of a 5-person household.
Age 21
b. ~1909
Female
Daughter
Born: Colorado
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Denver, Colorado |
| Surname | Johnson |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Nurse |
| Industry | Private duty |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Nurse |
| Township / Ward | Denver City |
| Est. Birth Year | ~1909 |
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 1930 census.
| Name | Relation to head | Relative to Florence | Age | Birth yr |
|---|---|---|---|---|
| Florence Johnson | Daughter | — | 21 | ~1909 |
| Chas Johnson | Head | — | 62 | ~1868 |
| Carl Johnson | Son | — | 19 | ~1911 |
| Oscar Johnson | Son | — | 17 | ~1913 |
| Minnie Johnson | Spouse | — | 59 | ~1871 |
Census Appearances
1910
Denver, Colorado
Daughter, age 1
Denver, Colorado · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1920
Denver, Colorado
Daughter, age 11
Denver, Colorado · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Denver, Colorado
Daughter, age 21
Denver, Colorado · implied b. ~1909 — 5 household members
| Surname | Johnson |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Nurse |
| Industry | Private duty |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Florence Johnson across 3 US Census years (1910, 1920 and 1930) in Denver, Colorado, using XGBoost record linkage. Identified parents: father Chas Johnson (~0.92 confidence) and father C Johnson (~0.92 confidence) and mother Minnie Johnson (~0.92 confidence) and mother Hulda Johnson (~0.92 confidence) and father Hans Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Chas Johnson
b. ~1868
Source father
● Household
· direct · ~0.92
Father
C Johnson
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Minnie Johnson
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Hulda Johnson
b. ~1876
Source mother
● Household
· direct · ~0.92
Father
Hans Johnson
b. ~1881
Source father
● Household
· direct · ~0.92
This person
Anchor record
Florence Johnson
Daughter · 1930 · age 21 · b. ~1909 · Colorado
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Sibling
Oscar Johnson
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Johnson
Sibling · 1930 · age 19
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
1930 US Federal Census — Denver, Colorado
Open full size
1930 US Federal Census — Denver, Colorado
Page Contents
5 people indexed on this census page (ia:1930:15thcensus236unit:0240)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Chas. E. Johnson | 62 | Head | Florist | Sweden |
| 52 | Minnie Johnson | 59 | Wife | — | Sweden |
| 53 | Florence Johnson THIS PERSON | 21 | Daughter | Nurse | Colorado |
| 54 | Carl Johnson | 19 | Son | Florist | Colorado |
| 55 | Oscar Johnson | 17 | Son | Florist | Colorado |
Pedigree Summary
Florence + 2 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)