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Billy Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Oklahoma-County, Oklahoma
Our Model Tree links this Billy Williams across the 1930 and 1940 US Censuses in Oklahoma-County, Oklahoma (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 4-person household.
Age 20
b. ~1920
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Oklahoma-County, Oklahoma |
| Surname | Williams |
| Given Name | Billy |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Oklahoma City |
| 1935 Residence (County) | Oklahoma |
| Additional Details | |
| Occupation | new worker |
| Hours Worked | 52 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | New Worker |
| Township / Ward | Oklahoma City |
| Est. Birth Year | ~1920 |
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 Billy | Age | Birth yr |
|---|---|---|---|---|
| Reece Williams | Head | — | 49 | ~1891 |
| Billy Williams | Son | — | 20 | ~1920 |
| Anna Williams | Spouse | — | 49 | ~1891 |
| Charles Williams | Son | — | 17 | ~1923 |
Census Appearances
1930
Oklahoma, Oklahoma
Son, age 11
Oklahoma, Oklahoma · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Billie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Oklahoma-County, Oklahoma
Son, age 20
Oklahoma-County, Oklahoma · implied b. ~1920 — 4 household members
| Surname | Williams |
| Given Name | Billy |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Oklahoma City |
| 1935 Residence (County) | Oklahoma |
| Occupation | new worker |
| Hours Worked | 52 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Billy Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Billy Williams
Son · 1940 · age 20 · b. ~1920 · Oklahoma
★ You are viewing this record
Sibling
Charles Williams
Sibling · 1940 · age 17
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 — Oklahoma-County, Oklahoma
Open full size
1940 US Federal Census — Oklahoma-County, Oklahoma
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-03347-00492)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Geraldine E. Price | 34 | daughter | Jewelry Saleslady | Iowa |
| 2 | Ralph M. Hanna | 44 | Head | Welder | Arkansas |
| 3 | Hazel W. Hanna | 37 | wife | — | West Virginia |
| 4 | Marshall L. Hanna | 17 | son | — | Oklahoma |
| 5 | Jim T. Hanna | 15 | son | — | Oklahoma |
| 6 | Monde J. Hanna | 13 | daughter | — | Oklahoma |
| 7 | Mary Ann Hanna | 5 | daughter | — | Oklahoma |
| 9 | Reece Williams | 49 | Head | Helper Warehouse | Iowa |
| 10 | Anna D. Williams | 49 | wife | — | Iowa |
| 11 | Billy Williams THIS PERSON | 20 | son | New Worker | Iowa |
| 12 | Charles M. Williams | 17 | son | — | Iowa |
| 14 | Wilbur Ammerman | 52 | Head | Rural Letter Carrier | Illinois |
| 15 | Ethel M. Ammerman | 50 | wife | — | Ohio |
| 16 | Orvil F. Ammerman | 26 | son | Trimmer Repair Dept. | Oklahoma |
| 17 | Laura M. Ammerman | 20 | daughter | Assistant Cook | Missouri |
| 18 | Walker H. Ammerman | 16 | son | — | Oklahoma |
| 19 | Paul W. Vickery | 31 | Head | Storing Dept. | Oklahoma |
| 20 | Emma M. Vickery | 18 | wife | — | Oklahoma |
| 21 | Vernon C. Mcconaghie | 23 | Head | Dental Technician | Missouri |
| 22 | Hazel D. Mcconaghie | 19 | wife | — | Texas |
| 23 | Vernon Jr. Mcconaghie | 2 | son | — | Oklahoma |
| 24 | David Mcconaghie | 1 | son | — | Oklahoma |
| 25 | Vernon D. Mcconaghie | 54 | Head | Dentist | Illinois |
| 26 | Chloe Mcconaghie | 50 | wife | Nurse | Arkansas |
| 27 | Billie J. Mcconaghie | 15 | daughter | — | Missouri |
| 28 | Nellie Strand | 51 | housekeeper | Housekeeper | Michigan |
| 29 | Lawrence Lampson | 36 | Head | Roughneck | Oklahoma |
| 30 | Faye D. Lampson | 26 | wife | — | Illinois |
| 31 | Betty Jo Lampson | 11 | daughter | — | California |
| 32 | Lawrence Lampson | 6 | son | — | Oklahoma |
| 33 | Jerry Lampson | 1 | daughter | — | Oklahoma |
| 34 | Terry Lampson | 1 | daughter | — | Oklahoma |
| 35 | Cecil C. Walker | 40 | Head | Construction Superintendent | Oklahoma |
| 36 | Helen Walker | 36 | wife | — | Missouri |
| 37 | Betty Jean Walker | 14 | daughter | — | Oklahoma |
| 38 | Clayton Walker | 7 | son | — | Oklahoma |
| 39 | Albert D. Craddock | 41 | Head | Telegrapher | Missouri |
| 40 | Gladys Craddock | 41 | wife | — | Oklahoma |
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)