EC
Eva Clark — 1920 US Census Record
Model Tree available1920 United States Federal Census · Whatcom, Washington
Our Model Tree links this Eva Clark across the 1900, 1910 and 1920 US Censuses in Whatcom, Washington (XGBoost, ~Confirmed), with identified parents S & Mary — first a daughter (b.~1900), then head of a 5-person household.
Age 20
b. ~1900
Female
Daughter
Born: Washington
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Whatcom, Washington |
| Surname | Clark |
| Given Name | Eva |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | New York |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Township / Ward | Bellingham City |
| Est. Birth Year | ~1900 |
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 1920 census.
| Name | Relation to head | Relative to Eva | Age | Birth yr |
|---|---|---|---|---|
| Herbert Pierson | Other | — | 24 | ~1896 |
| Delbert Clark | Son | — | 22 | ~1898 |
| Ermine Pierson | Daughter | — | 24 | ~1896 |
| Eva Clark | Daughter | — | 20 | ~1900 |
| Mary Clark | Head | — | 53 | ~1867 |
Census Appearances
1900
Whatcom, Washington
Daughter, age 1
Whatcom, Washington · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Eva |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Washington |
| Birth Month | June |
| Birth Year | 1899 |
| Father's Birthplace | New York |
| Mother's Birthplace | Illinois |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1910
Whatcom, Washington
Daughter, age 10
Whatcom, Washington · implied b. ~1900 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Eva |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | New York |
| Mother's Birthplace | Illinois |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
Whatcom, Washington
Daughter, age 20
Whatcom, Washington · implied b. ~1900 — 5 household members
| Surname | Clark |
| Given Name | Eva |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | New York |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | 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 Eva Clark across 3 US Census years (1900, 1910 and 1920) in Whatcom, Washington, using XGBoost record linkage. Identified parents: father S Clark (~0.92 confidence) and mother Mary Clark (~0.92 confidence) and mother Mary Clark (~0.92 confidence) and mother May Clark (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
S Clark
b. ~1857
Source father
● Household
· direct · ~0.92
Mother
Mary Clark
b. ~1867
Source mother
● Household
· direct · ~0.92
Mother
Mary Clark
b. ~1840
Source mother
● Household
· direct · ~0.92
Mother
May Clark
b. ~1859
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Eva Clark
Daughter · 1920 · age 20 · b. ~1900 · Washington
★ You are viewing this record
Sibling
Delbert Clark
Sibling · 1920 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ermine Pierson
Sibling · 1920 · age 24
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
1920 US Federal Census — Whatcom, Washington
Open full size
1920 US Federal Census — Whatcom, Washington
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1943unit:0653)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Charles Threlkeld | 6 | son | None | Washington |
| 52 | Edward C. Holt | 40 | head | Printer | Texas |
| 53 | Sarah E. Holt | 37 | wife | None | Nebraska |
| 54 | Edward C. Holt | 17 | son | Messenger | Washington |
| 55 | Bruce B. Holt | 14 | son | None | Washington |
| 56 | Fred Rehberger | 42 | head | None | Washington |
| 57 | Emma Rehberger | 41 | wife | Dressmaker | Germany |
| 58 | Stephen S. Smith | 44 | head | Clergyman | Nebraska |
| 59 | Pearl Smith | 36 | wife | None | Kansas |
| 60 | Avis P. Smith | 14 | daughter | None | Oklahoma |
| 61 | Bernice E. Smith | 12 | daughter | None | Missouri |
| 62 | Mildred S. Smith | 10 | daughter | None | Idaho |
| 63 | Samuel S. Smith | 2 | son | None | Washington |
| 64 | Mary A. Clark | 53 | head | None | Illinois |
| 65 | Delbert B. Clark | 22 | son | None | Idaho |
| 66 | Eva Clark THIS PERSON | 20 | daughter | None | Washington |
| 67 | Herbert E. Pierson | 24 | son-in-law | Retail Merchant | United States |
| 68 | Ermine E. Pierson | 24 | daughter | Teacher | Idaho |
| 69 | William T. Clayson | 54 | head | Minister | Tennessee |
| 70 | Emmie S. Clayson | 48 | wife | None | Alabama |
| 71 | Avis Myrtle Clayson | 23 | daughter | None | California |
| 72 | George B. La Clair | 29 | head | Tugging | Washington |
| 73 | Alice La Clair | 22 | wife | None | North Dakota |
| 74 | Delia La Clair | 4 | daughter | None | Washington |
| 75 | Violet La Clair | 2 | daughter | None | Washington |
| 76 | Kate Bagley | 39 | head | None | Minnesota |
| 77 | Roy Bagley | 18 | son | Laborer | Minnesota |
| 78 | William North | 45 | head | Laborer | Illinois |
| 79 | Henry Harrop | 66 | head | Machinist | Michigan |
| 80 | Elizabeth Harrop | 60 | wife | None | Michigan |
| 81 | Ray Henry Harrop | 32 | son | Machinist | Minnesota |
| 82 | Leslie A. Harrop | 19 | son | Machinist | Washington |
| 83 | Charles King | 62 | head | Watchman | Canada |
| 84 | Rose King | 46 | wife | None | Wisconsin |
| 85 | Ray Patterson | 23 | son-in-law | Trimmer | Illinois |
| 86 | Beulah Patterson | 21 | daughter | None | Washington |
| 87 | Buford Patterson | 3 | son | None | Washington |
| 88 | Howard Patterson | 1 | son | None | Washington |
| 89 | Harry Patterson | 21 | son-in-law | Filer | Nebraska |
| 90 | Dorothy Patterson | 19 | daughter | None | Washington |
| 91 | Malcolm R. Patterson | 1 | son | None | Washington |
| 92 | Hugo Hovander | 39 | head | Grocer | Sweden |
| 93 | Hulda Alta Hovander | 34 | wife | None | Minnesota |
| 94 | George H. Hovander | 8 | son | None | Washington |
| 95 | Carl De Roy Hovander | 5 | son | None | Washington |
| 96 | Leslie Smith | 38 | head | Painter | Illinois |
| 97 | Lulu Smith | 36 | wife | None | Iowa |
| 98 | Alice Smith | 14 | daughter | None | Washington |
| 99 | Mildred Smith | 12 | daughter | None | Washington |
| 100 | Fred Griffin | 44 | head | Superintendent | Washington |
Pedigree Summary
Eva + 2 siblings
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 1920 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)