MJ
Mildred Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · King, Washington
Our Model Tree links this Mildred Johnson across the 1910, 1920 and 1930 US Censuses in King, Washington (XGBoost, ~Confirmed), with identified parents Martin & Martin — first a daughter (b.~1910), then head of a 3-person household.
Age 20
b. ~1910
Female
Daughter
Born: Washington
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | King, Washington |
| Surname | Johnson |
| Given Name | Mildred E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Township / Ward | City Of Seattle |
| Est. Birth Year | ~1910 |
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 1930 census.
| Name | Relation to head | Relative to Mildred | Age | Birth yr |
|---|---|---|---|---|
| Mildred Johnson | Daughter | — | 20 | ~1910 |
| Martin Johnson | Head | — | 59 | ~1871 |
| Sally Johnson | Spouse | — | 46 | ~1884 |
Census Appearances
1910
King, Washington
Daughter, age
King, Washington · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
King, Washington
Daughter, age 10
King, Washington · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Daughter, age 20
King, Washington · implied b. ~1910 — 3 household members
| Surname | Johnson |
| Given Name | Mildred E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 Mildred Johnson across 3 US Census years (1910, 1920 and 1930) in King, Washington, using XGBoost record linkage. Identified parents: father Martin Johnson (~0.92 confidence) and father Martin Johnson (~0.92 confidence) and mother Sally Johnson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Martin Johnson
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Martin Johnson
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Sally Johnson
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mildred Johnson
Daughter · 1930 · age 20 · b. ~1910 · Washington
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — King, Washington
Open full size
1930 US Federal Census — King, Washington
Page Contents
23 people indexed on this census page (ia:1930:15thcensus2492unit:0175)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Anna Ringen | 47 | Wife | — | Norway |
| 52 | Bernice Ringen | 23 | Daughter | School Teacher | Alaska |
| 53 | Thelma Ringen | 21 | Daughter | School Teacher | Alaska |
| 54 | Alfred Ringen | 20 | Son | Meat Cutter | Washington |
| 55 | Olga Ringen | 13 | Daughter | — | Washington |
| 56 | David Merrill | 72 | Head | — | Canada English |
| 57 | Sarah E. Merrill | 68 | Wife | — | Canada English |
| 58 | Mary Chapman | 64 | Maid | Maid | England |
| 59 | Martin E. Johnson | 59 | Head | Captain | Sweden |
| 60 | Sally C. Johnson | 46 | Wife | — | Sweden |
| 61 | Mildred E. Johnson THIS PERSON | 20 | Daughter | — | Washington |
| 62 | Gus Clawson | 65 | Head | Millwright | Sweden |
| 63 | Alexandra Clawson | 65 | Wife | — | Sweden |
| 64 | Ernest Clawson | 37 | Son | Laborer | Michigan |
| 65 | Agnes Clawson | 33 | Daughter | Saleslady | Michigan |
| 66 | Ellen Clawson | 32 | Daughter | Saleslady | Michigan |
| 67 | Ada Clawson | 28 | Daughter | Music Teacher | Michigan |
| 68 | Carl Clawson | 25 | Son | Pressman | Washington |
| 69 | Leonard Clawson | 21 | Son | Laborer | Washington |
| 70 | William Quigg | 60 | Head | Agent | Canada English |
| 71 | Dora Quigg | 54 | Wife | — | Indiana |
| 72 | Caroline Lutz | 56 | Mother | — | East Russia Germany |
| 73 | Caroline Lutz | 56 | Mother | — | East Russia Germany |
Pedigree Summary
Mildred
Gen 1 · 3 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)