WP
William Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Monongalia-County, West Virginia
Our Model Tree links this William Peterson across the 1920, 1930 and 1940 US Censuses in Monongalia-County, West Virginia (XGBoost, ~Confirmed), with identified parents Henry & Hattie — first a son (b.~1906), then head of a 4-person household.
Age 34
b. ~1906
Male
Son
Born: West Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Monongalia-County, West Virginia |
| Surname | Peterson |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | Morgan District |
| 1935 Residence (County) | Monongalia |
| Additional Details | |
| Occupation | labor |
| Industry | steel manufacturing |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
| Occupation | Labor |
| Township / Ward | Morgan District |
| Est. Birth Year | ~1906 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Henry Peterson | Head | — | 71 | ~1869 |
| Elwood Peterson | Son | — | 31 | ~1909 |
| William Peterson | Son | — | 34 | ~1906 |
| Hattie Peterson | Spouse | — | 66 | ~1874 |
Census Appearances
1920
Monongalia, West …
Son, age 13
Monongalia, West Virginia · implied b. ~1907 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | William R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | West Virginia |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | West Virginia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1930
Monongalia, West …
Son, age 24
Monongalia, West Virginia · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | West Virginia |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | West Virginia |
| Occupation | Trapper |
| Industry | Coal Mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1940
Monongalia-County, West …
Son, age 34
Monongalia-County, West Virginia · implied b. ~1906 — 4 household members
| Surname | Peterson |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | Morgan District |
| 1935 Residence (County) | Monongalia |
| Occupation | labor |
| Industry | steel manufacturing |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
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 Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Peterson (~0.92 confidence) and mother Hattie Peterson (~0.92 confidence) and mother Mary Peterson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Peterson
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Hattie Peterson
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Mary Peterson
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Peterson
Son · 1940 · age 34 · b. ~1906 · West Virginia
★ You are viewing this record
Sibling
Elwood Peterson
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 — Monongalia-County, West Virginia
Open full size
1940 US Federal Census — Monongalia-County, West Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04433-00637)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Paul Shaffer | 5 | nephew | — | New York |
| 2 | Frank Walls | 41 | head | Wireman | West Virginia |
| 3 | Edna Walls | 32 | wife | — | West Virginia |
| 4 | Merith Walls | 11 | son | — | West Virginia |
| 5 | Marietta Walls | 10 | daughter | — | West Virginia |
| 6 | Francis Walls | 7 | son | — | West Virginia |
| 7 | Howard Davis | 19 | head | Farm Labor | West Virginia |
| 8 | Bertha Davis | 19 | wife | — | West Virginia |
| 9 | Henry Davis | 0 | son | — | West Virginia |
| 10 | Charley Wolf | 31 | head | Labor | West Virginia |
| 11 | Edith Wolf | 30 | wife | — | West Virginia |
| 12 | Wayne Wolf | 12 | son | — | West Virginia |
| 13 | Marian Wolf | 10 | daughter | — | West Virginia |
| 14 | Harry Wolf | 5 | son | — | West Virginia |
| 15 | Shirley Ann Wolf | 3 | daughter | — | West Virginia |
| 16 | Doris Lee Wolf | 1 | son | — | West Virginia |
| 17 | Lonnie R. Davis | 46 | head | Proprietor | West Virginia |
| 18 | Jessie Davis | 46 | wife | — | West Virginia |
| 19 | Betty Lee Davis | 5 | daughter | — | West Virginia |
| 20 | Susan Davis | 86 | mother | — | West Virginia |
| 21 | Willie Van Gilder | 55 | hired man | Labor | West Virginia |
| 22 | Ray Coger | 33 | hired man | Labor | West Virginia |
| 23 | Hylman Mayfield | 46 | head | — | West Virginia |
| 24 | Stella Mayfield | 44 | wife | Cook | West Virginia |
| 25 | Richard Mayfield | 17 | son | Labor | West Virginia |
| 26 | Evelyn Mayfield | 15 | daughter | — | West Virginia |
| 27 | Edward Mayfield | 4 | grandson | — | West Virginia |
| 28 | Henry Peterson | 71 | head | Janitor | West Virginia |
| 29 | Hattie Peterson | 66 | wife | — | West Virginia |
| 30 | William Peterson THIS PERSON | 34 | son | Labor | West Virginia |
| 31 | Elwood Peterson | 31 | son | Apprentice Carpenter | West Virginia |
| 32 | William Johnson | 53 | head | Carpenter | West Virginia |
| 33 | Ella Johnson | 53 | wife | — | West Virginia |
| 34 | Lonnie Johnson | 16 | son | — | West Virginia |
| 35 | Robert Johnson | 9 | son | — | West Virginia |
| 36 | Woodrow Johnson | 23 | son | Loader | West Virginia |
| 37 | Eva Johnson | 25 | daughter-in-law | — | West Virginia |
| 38 | Juanita Johnson | 4 | granddaughter | — | West Virginia |
| 39 | Nancy Johnson | 3 | granddaughter | — | West Virginia |
| 40 | Dorothy Johnson | 0 | granddaughter | — | West Virginia |
Pedigree Summary
William + 1 sibling
Gen 1 · 3 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)