MC
Margaret Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this Margaret Clark across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents Clarice & Lelia — first a daughter (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Female
Daughter
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Clark |
| Given Name | Margaret Lucie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Unincorporated place Broadview Precinct |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | New worker |
| Class of Worker | U |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | New Worker |
| Township / Ward | Unincorporated Place Broadview Precinct |
| Est. Birth Year | ~1916 |
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 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Clark | Daughter | — | 24 | ~1916 |
| Lelah Clark | Head | — | 51 | ~1889 |
| Clarence Clark | Son | — | 19 | ~1921 |
Census Appearances
1920
King, Washington
Daughter, age 4
King, Washington · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Margaret L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Daughter, age 14
King, Washington · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Margaret L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Daughter, age 24
King-County, Washington · implied b. ~1916 — 3 household members
| Surname | Clark |
| Given Name | Margaret Lucie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Unincorporated place Broadview Precinct |
| 1935 Residence (County) | King |
| Occupation | New worker |
| Class of Worker | U |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| 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 Margaret Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Clarice Clark (~0.92 confidence) and mother Lelia Clark (~0.92 confidence) and mother Lelah Clark (~0.92 confidence) and mother Lelia Clark (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Clarice Clark
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Lelia Clark
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Lelah Clark
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Lelia Clark
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Clark
Daughter · 1940 · age 24 · b. ~1916 · Washington
★ You are viewing this record
Sibling
Clarence Clark
Sibling · 1940 · 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
1940 US Federal Census — King-County, Washington
Open full size
1940 US Federal Census — King-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04343-00610)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George J. Cizek | 49 | Head | Partner Owner | Minnesota |
| 2 | Hazel Ersalz Cizek | 47 | Wife | — | Colorado |
| 3 | Ethel H. Cizek | 80 | Father | — | Germany |
| 4 | Mary Cizek | 76 | Mother | — | Germany |
| 5 | Lelah H. Clark | 51 | Head | — | Virginia |
| 6 | Margaret Lucie Clark THIS PERSON | 24 | Daughter | New Worker | Washington |
| 7 | Clarence Clark | 19 | Son | — | Virginia |
| 8 | Johanna Stall | 57 | Head | — | Germany |
| 9 | Joseph Hall Schmitt | 75 | Head | — | Germany |
| 10 | Mary V. Straus | 74 | Head | — | Illinois |
| 11 | Louise M. Straus | 71 | Wife | — | Washington |
| 12 | Walter Straus | 33 | Son | Salesman | Washington |
| 13 | Charles R. Straus | 50 | Head | Building Supt. | Oregon |
| 14 | Frannie B. Straus | 47 | Wife | — | Ohio |
| 15 | R. Louise Straus | 21 | Daughter | Part Time Sales Lady | Washington |
| 16 | Winfield W. Johnston | 30 | Head | Stower | Washington |
| 17 | Margaret Johnston | 33 | Wife | — | California |
| 18 | George Apple | 54 | Head | Laborer | Tennessee |
| 19 | Frances Apple | 53 | Wife | — | Ohio |
| 20 | Allen Donald Apple | 11 | Step son | — | Washington |
| 21 | Walter Carlson | 24 | Head | Furnace Man | No Dakota |
| 22 | Helen Carlson | 22 | Wife | — | No Dakota |
| 23 | Marilyn Carlson | 3 | Daughter | — | Washington |
| 24 | Gilbert Olsen | 22 | Brother in law | Farmer | Montana |
| 25 | Albert L. Mcclain | 35 | Head | Electrician | So Dakota |
| 26 | Annie Mcclain | 35 | Wife | — | Colorado |
| 27 | Byron E. Hamilton | 26 | Lodger | Miner | Colorado |
| 28 | Ray C. Leclure | 32 | Head | Proprietor | Washington |
| 29 | Kathlene Leclure | 32 | Wife | — | England |
| 30 | Jacqueline Leclure | 10 | Daughter | — | Washington |
| 31 | Adrien Leclure | 9 | Daughter | — | Washington |
| 32 | John Leclure | 5 | Son | — | Washington |
| 33 | Joan Leclure | 1 | Daughter | — | Washington |
| 34 | Claude Osborn | 62 | Head | — | New York |
| 35 | Gertrude Osborn | 52 | Wife | — | New York |
| 36 | Marie Linderman | 32 | Daughter | — | New York |
| 37 | Diane Linderman | 3 | Grand daughter | — | Honolulu |
| 38 | Joanne Linderman | 1 | Grand daughter | — | Honolulu |
| 39 | Orten Howard | 41 | Head | Electrician | Nebraska |
| 40 | Ruth Howard | 41 | Wife | — | Iowa |
Pedigree Summary
Margaret + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)