MS
Mary Schmidt — 1930 US Census Record
Model Tree available1930 United States Federal Census · King, Washington
Our Model Tree links this Mary Schmidt across the 1910, 1920 and 1930 US Censuses in King, Washington (XGBoost, ~Confirmed), with identified parents Joseph & Joseph — first a daughter (b.~1909), then head of a 6-person household.
Age 21
b. ~1909
Female
Daughter
Born: Washington
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | King, Washington |
| Surname | Schmidt |
| Given Name | Mary Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Occupation | Assistant |
| Industry | Dentist Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Assistant |
| Township / Ward | Seattle 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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Julianne Schmidt | Daughter | — | 16 | ~1914 |
| Mary Schmidt | Daughter | — | 21 | ~1909 |
| Helen Schmidt | Daughter | — | 14 | ~1916 |
| Joseph Schmidt | Head | — | 49 | ~1881 |
| Margaret Schmidt | Other | — | 44 | ~1886 |
| J Schmidt | Son | — | 18 | ~1912 |
Census Appearances
1910
King, Washington
Daughter, age 1
King, Washington · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
King, Washington
Daughter, age 10
King, Washington · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Mary Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Daughter, age 21
King, Washington · implied b. ~1909 — 6 household members
| Surname | Schmidt |
| Given Name | Mary Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Assistant |
| Industry | Dentist Office |
| Class of Worker | W |
| 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 Mary Schmidt across 3 US Census years (1910, 1920 and 1930) in King, Washington, using XGBoost record linkage. Identified parents: father Joseph Schmidt (~0.92 confidence) and father Joseph Schmidt (~0.92 confidence) and father Joe Schmidt (~0.92 confidence) and mother Margaret Schmidt (~0.92 confidence) and mother Margaret Schmidt (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Schmidt
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Joseph Schmidt
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Joe Schmidt
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Margaret Schmidt
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Margaret Schmidt
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Schmidt
Daughter · 1930 · age 21 · b. ~1909 · Washington
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Sibling
Helen Schmidt
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
J Schmidt
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julianne Schmidt
Sibling · 1930 · age 16
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 — King, Washington
Open full size
1930 US Federal Census — King, Washington
Page Contents
26 people indexed on this census page (ia:1930:15thcensus2494unit:0815)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Elizabeth Weber | 66 | Wife-H | — | Pennsylvania |
| 52 | Hans W Nelson | 66 | Head | Farmer | Sweden |
| 53 | Ingeborg Nelson | 60 | Wife-H | — | Sweden |
| 54 | Harry B Smith | 31 | Head | Proprietor | Indiana |
| 55 | Mary S Smith | 32 | Wife-H | — | Indiana |
| 56 | Elizabeth K Smith | 8 | Daughter | — | Indiana |
| 57 | Charles R Smith | 2 | Son | — | Washington |
| 58 | Helen Hennesy | 29 | Boarder | Clerk | Ohio |
| 59 | Joseph M Schmidt | 49 | Head | Fireman | Missouri |
| 60 | Margaret J Schmidt | 44 | Wife-H | Chas|Chas. Maid | Missouri |
| 61 | Mary Alice Schmidt THIS PERSON | 21 | Daughter | Assistant | Washington |
| 62 | J Leo Schmidt | 18 | Son | Surveyor | Washington |
| 63 | Julianne Schmidt | 16 | Daughter | — | Washington |
| 64 | Helen Schmidt | 14 | Daughter | — | Washington |
| 65 | Lewis P Cassutt | 34 | Head | Dentist | Iowa |
| 66 | Emma Cassutt | 73 | Mother-H | — | Iowa |
| 67 | Charlotte Cassutt | 16 | Niece | — | Iowa |
| 68 | George Dornberger | 40 | Head | Driver | Canada English |
| 69 | Louise Dornberger | 38 | Wife-H | Operator | Canada English |
| 70 | Margaret Dornberger | 16 | Daughter | — | Canada English |
| 71 | Winston Dornberger | 14 | Son | — | Canada English |
| 72 | Earl C Davis | 28 | Head | Driver | Canada English |
| 73 | Catherine Davis | 26 | Wife-H | — | Canada English |
| 74 | Beverly Davis | 3 | Daughter | — | Washington |
| 75 | Margaret Myock | 61 | Aunt | — | Ohio |
| 76 | Hazel Alcorn | 34 | Roomer | Teacher | Canada English |
Pedigree Summary
Mary + 3 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)