HC
Henry Cooper — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Whatcom, Washington
Our Model Tree links this Henry Cooper across the 1910 and 1920 US Censuses in Whatcom, Washington (XGBoost, ~Confirmed) — first a son (b.~1903), then head of a 21-person household.
Age 17
b. ~1903
Male
Son
Born: Washington
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Whatcom, Washington |
| Surname | Cooper |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Washington |
| Additional Details | |
| Occupation | Laborer |
| Industry | Logging Camp |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Laborer |
| Township / Ward | Baker Township |
| Est. Birth Year | ~1903 |
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.
21 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Henry | Age | Birth yr |
|---|---|---|---|---|
| Robert Cooper | Son | — | 1 | ~1919 |
| James Cooper | Son | — | 16 | ~1904 |
| Frank Cooper | Son | — | 14 | ~1906 |
| Lester Cooper | Son | — | 23 | ~1897 |
| Winslow Bacon | Other | — | 30 | ~1890 |
| Oliver Bacon | Other | — | 6 | ~1914 |
| Clara Bacon | Other | — | 22 | ~1898 |
| Henry Cooper | Son | — | 17 | ~1903 |
| Nellie Cooper | Daughter | — | 9 | ~1911 |
| Alice Cooper | Daughter | — | 3 | ~1917 |
| Theodore Bacon | Other | — | 2 | ~1918 |
| Josie Cooper | Spouse | — | 40 | ~1880 |
| Richard Bacon | Other | — | ~1920 | |
| Ada Cooper | Daughter | — | 13 | ~1907 |
| Harry Cooper | Head | — | 52 | ~1868 |
| Leland Cooper | Son | — | 5 | ~1915 |
| Rosie Cooper | Daughter | — | 11 | ~1909 |
| Daniel Cooper | Son | — | 15 | ~1905 |
| Walter Cooper | Son | — | 7 | ~1913 |
| Dorothy Bacon | Other | — | 4 | ~1916 |
| Annie Cooper | Daughter | — | 21 | ~1899 |
Census Appearances
1910
Whatcom, Washington
Son, age 7
Whatcom, Washington · implied b. ~1903 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | American Indian |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Washington |
| Mother's Birthplace | Washington |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
Whatcom, Washington
Son, age 17
Whatcom, Washington · implied b. ~1903 — 21 household members
| Surname | Cooper |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Washington |
| Occupation | Laborer |
| Industry | Logging Camp |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| 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 Henry Cooper across 2 US Census years (1910 and 1920) in Whatcom, Washington, using XGBoost record linkage.
Show:
This person
Anchor record
Henry Cooper
Son · 1920 · age 17 · b. ~1903 · Washington
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Sibling
Robert Cooper
Sibling · 1920 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Cooper
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Cooper
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leland Cooper
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lester Cooper
Sibling · 1920 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosie Cooper
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Cooper
Sibling · 1920 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Cooper
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Cooper
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Cooper
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Cooper
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ada Cooper
Sibling · 1920 · age 13
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:1920:14thcensusofpopu1944unit:0017)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | W. G. Wood | 33 | Head | Truck Driver | Illinois |
| 2 | May Wood | 31 | Wife | — | Michigan |
| 3 | August Ohse | 28 | Head | Laborer | Wisconsin |
| 4 | Nellie Ohse | 26 | Wife | — | Iowa |
| 5 | Francis Ohse | 5 | Son | — | Washington |
| 6 | Ralph Ohse | 4 | Son | — | Washington |
| 7 | Harry Cooper | 52 | Head | Farmer | Canada English |
| 8 | Josie Cooper | 40 | Wife | — | Washington |
| 9 | Lester Cooper | 23 | Son | Laborer | Washington |
| 10 | Annie Cooper | 21 | Daughter | — | Washington |
| 11 | Frank Cooper | 14 | Son | Helper | Washington |
| 12 | Henry Cooper THIS PERSON | 17 | Son | Laborer | Washington |
| 13 | James Cooper | 16 | Son | Laborer | Washington |
| 14 | Daniel Cooper | 15 | Son | — | Washington |
| 15 | Ada Cooper | 13 | Daughter | — | Washington |
| 16 | Rosie Cooper | 11 | Daughter | — | Washington |
| 17 | Nellie Cooper | 9 | Daughter | — | Washington |
| 18 | Walter Cooper | 7 | Son | — | Washington |
| 19 | Leland Cooper | 5 | Son | — | Washington |
| 20 | Alice Cooper | 3 | Daughter | — | Washington |
| 21 | Robert Cooper | 1 | Son | — | Washington |
| 22 | Winslow Bacon | 30 | Nephew | Laborer | Washington |
| 23 | Clara Bacon | 22 | Niece | — | Canada English |
| 24 | Oliver Bacon | 6 | Nephew | — | Washington |
| 25 | Dorothy Bacon | 4 | Niece | — | Washington |
| 26 | Theodore Bacon | 2 | Nephew | — | Washington |
| 27 | Richard Bacon | 0 | Nephew | — | Washington |
| 28 | Charles R. Mcdonald | 30 | Head | Laborer | Canada English |
| 29 | Clara Mcdonald | 26 | Wife | Cook | Wisconsin |
| 30 | Durward Mcdonald | 8 | Son | — | Washington |
| 31 | Iver Sylling | 47 | Boarder | Blacksmith | Norway |
| 32 | Samuel Anulf | 31 | Boarder | Laborer | Russia |
| 33 | David Johnson | 28 | Head | Laborer | Washington |
| 34 | Minnie Johnson | 24 | Wife | — | Washington |
| 35 | Vera Johnson | 4 | Daughter | — | Washington |
| 36 | Joseph Gilmore | 28 | Head | Laborer | Washington |
| 37 | Eva Gilmore | 26 | Wife | — | California |
| 38 | Erma Gilmore | 5 | Daughter | — | Washington |
| 39 | Walter Gilmore | 3 | Son | — | Washington |
| 40 | Milton Gilmore | 1 | Son | — | Washington |
| 41 | Charles Helms | 42 | Head | Farmer | Indiana |
| 42 | Anna Helms | 40 | Wife | — | Kansas |
| 43 | Warren W. Helms | 13 | Son | — | Kansas |
| 44 | Lewis A. Helms | 11 | Son | — | Kansas |
| 45 | Mabel Louise Helms | 10 | Daughter | — | Kansas |
| 46 | Ruth H. Helms | 8 | Daughter | — | Kansas |
| 47 | Ruby F. Helms | 8 | Daughter | — | Kansas |
| 48 | Lucy Jane Helms | 4 | Daughter | — | Kansas |
| 49 | J. P. Williams | 69 | Father-in-law | Laborer | Ohio |
| 50 | M. Van Zandt | 60 | Head | — | Georgia |
Related Census Records
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)