WP
William Pearson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ashland-County, Wisconsin
Our Model Tree links this William Pearson across the 1920, 1930 and 1940 US Censuses in Ashland-County, Wisconsin (XGBoost, ~Confirmed), with identified parents Elizabeth & Otto — first a son (b.~1919), then head of a 9-person household.
Age 21
b. ~1919
Male
Son
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ashland-County, Wisconsin |
| Surname | Pearson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Mellen City |
| 1935 Residence (County) | Ashland |
| Additional Details | |
| Occupation | Laborer |
| Industry | Veneer Mill |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | C-3 |
| 1935 Residence | Same House |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Laborer |
| Township / Ward | Mellen City |
| Est. Birth Year | ~1919 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth O'Donahue | Spouse | — | 64 | ~1876 |
| John Pearson | Son | — | 19 | ~1921 |
| Gavin O'Donahue | Son | — | 36 | ~1904 |
| Mildred Pearson | Spouse | — | 49 | ~1891 |
| Otto Pearson | Head | — | 50 | ~1890 |
| Eileen O'Donahue | Daughter | — | 31 | ~1909 |
| John O'Donahue | Son | — | 28 | ~1912 |
| William Pearson | Son | — | 21 | ~1919 |
| Thomas O'Donahue | Son | — | 24 | ~1916 |
Census Appearances
1920
Ashland, Wisconsin
Son, age 1
Ashland, Wisconsin · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pearson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Ashland, Wisconsin
Son, age 11
Ashland, Wisconsin · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pearson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Ashland-County, Wisconsin
Son, age 21
Ashland-County, Wisconsin · implied b. ~1919 — 9 household members
| Surname | Pearson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Mellen City |
| 1935 Residence (County) | Ashland |
| Occupation | Laborer |
| Industry | Veneer Mill |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | C-3 |
| 1935 Residence | Same House |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 William Pearson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Elizabeth O'Donahue (~0.92 confidence) and father Otto Pearson (~0.92 confidence) and father Otto Pearson (~0.92 confidence) and mother Mildred Pearson (~0.92 confidence) and father Otto Pearson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Elizabeth O'Donahue
b. ~1876
Source mother
● Household
· direct · ~0.92
Father
Otto Pearson
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Otto Pearson
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Mildred Pearson
b. ~1891
Source mother
● Household
· direct · ~0.92
Father
Otto Pearson
b. ~1891
Source father
● Household
· direct · ~0.92
This person
Anchor record
William Pearson
Son · 1940 · age 21 · b. ~1919 · Wisconsin
★ You are viewing this record
Sibling
Thomas O'Donahue
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John O'Donahue
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gavin O'Donahue
Sibling · 1940 · age 36
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Pearson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eileen O'Donahue
Sibling · 1940 · age 31
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 — Ashland-County, Wisconsin
Open full size
1940 US Federal Census — Ashland-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04456-00784)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ruth L. York | 27 | Wife | Housewife | Wisconsin |
| 42 | Myron F. York | 2 | Son | — | Illinois |
| 43 | Ruth A. York | 0 | Daughter | — | Wisconsin |
| 44 | Agusta Lundquist | 62 | Wife | — | Sweden |
| 45 | Edward Lundquist | 26 | Son | Laborer | Wisconsin |
| 46 | Carl Lundquist | 22 | Son | Book Keeper | Wisconsin |
| 47 | Alvin Christie | 25 | Head | Agent | Wisconsin |
| 48 | Marjory Christie | 21 | Wife | — | Wisconsin |
| 49 | James Christie | 1 | Son | — | Wisconsin |
| 50 | Edward Frankie | 38 | Head | Stationary Engineer | Wisconsin |
| 51 | Margaret Frankie | 38 | Wife | — | Wisconsin |
| 52 | Donna Frankie | 7 | Daughter | — | Wisconsin |
| 53 | Thomas Mcqueen | 78 | Head | — | Wisconsin |
| 54 | Kate Mcqueen | 79 | Wife | — | Wisconsin |
| 55 | Thomas Jr. Mcqueen | 45 | Son | Rr Telegrapher | Wisconsin |
| 56 | Elizabeth Dross | 71 | Head | House Work | Kansas |
| 57 | Peter Kuehnel | 65 | Head | — | Michigan |
| 58 | Hattie Kuehnel | 57 | Wife | — | Bohemia |
| 59 | Edward Kuehnel | 29 | Son | — | Wisconsin |
| 60 | Ann Kuehnel | 27 | Daughter | — | Wisconsin |
| 61 | Eugene Wrege | 28 | Head | Stone Mason | Minnesota |
| 62 | Margaret Wrege | 25 | Wife | — | South Dakota |
| 63 | Clarence Nehring | 34 | Head | Quarryman | North Dakota |
| 64 | Faith Nehring | 30 | Wife | — | Iowa |
| 65 | Beverly Nehring | 5 | Daughter | — | Minnesota |
| 66 | Matt Stein | 70 | Head | — | Wisconsin |
| 67 | Elizabeth Stein | 68 | Wife | — | Canada |
| 68 | Joseph Stein | 37 | Son | — | Wisconsin |
| 69 | Lawrence Stein | 24 | Son | Student | Wisconsin |
| 70 | Otto P. Pearson | 50 | Head | Salesman | Wisconsin |
| 71 | Mildred Pearson | 49 | Wife | — | Wisconsin |
| 72 | William Pearson THIS PERSON | 21 | Son | Laborer | Wisconsin |
| 73 | John Pearson | 19 | Son | — | Wisconsin |
| 74 | Elizabeth O'Donahue | 64 | Wife | — | Wisconsin |
| 75 | Gavin O'Donahue | 36 | Son | Laborer | Wisconsin |
| 76 | Eileen O'Donahue | 31 | Daughter | Book Keeper | Wisconsin |
| 77 | John O'Donahue | 28 | Son | Laborer | Wisconsin |
| 78 | Thomas O'Donahue | 24 | Son | Apprentice | Wisconsin |
| 79 | John Lang | 42 | Head | Blacksmith | Germany |
| 80 | Catherine Lang | 37 | Wife | — | Germany |
Pedigree Summary
William + 5 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 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)