MW
Mary William — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Tulsa-County, Oklahoma
Our Model Tree links this Mary William across the 1930 and 1940 US Censuses in Tulsa-County, Oklahoma (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 4-person household.
Age 16
b. ~1924
Female
Daughter
Born: Oklahoma
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Tulsa-County, Oklahoma |
| Surname | William |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Tulsa |
| 1935 Residence (County) | Tulsa |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Oklahoma |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Township / Ward | Lynn Lane Twp |
| Est. Birth Year | ~1924 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary William | Daughter | — | 16 | ~1924 |
| Ethel William | Spouse | — | 35 | ~1905 |
| George William | Son | — | 13 | ~1927 |
| George William | Head | — | 40 | ~1900 |
Census Appearances
1930
Tulsa, Oklahoma
Daughter, age 5
Tulsa, Oklahoma · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Mary H |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Oklahoma |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Tulsa-County, Oklahoma
Daughter, age 16
Tulsa-County, Oklahoma · implied b. ~1924 — 4 household members
| Surname | William |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Tulsa |
| 1935 Residence (County) | Tulsa |
| Highest Grade | 8 |
| 1935 Residence | Oklahoma |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
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 Mary William across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary William
Daughter · 1940 · age 16 · b. ~1924 · Oklahoma
★ You are viewing this record
Sibling
George William
Sibling · 1940 · 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
1940 US Federal Census — Tulsa-County, Oklahoma
Open full size
1940 US Federal Census — Tulsa-County, Oklahoma
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03336-00729)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Vicky L. Heath | 3 | Daughter | — | Oklahoma |
| 2 | Charles E. Edens | 35 | Head | Machinist | Arkansas |
| 3 | Edith L. Edens | 26 | Wife | — | Oklahoma |
| 4 | Raymond W. Whitehead | 38 | Head | Operator | Oklahoma |
| 5 | Lillian Z. Whitehead | 27 | Wife | — | Texas |
| 6 | (Cont'D At Whitehead | None | 1208 S. Boulder | — | — |
| 8 | Robert Paul Ridley | 36 | Head | Operator | Oklahoma |
| 9 | Gladys B. Ridley | 31 | Wife | — | Iowa |
| 10 | Robert E. Ridley | 13 | Son | — | Oklahoma |
| 11 | Mary E. Ridley | 11 | Daughter | — | Oklahoma |
| 12 | Carl S. Mcbath | 57 | Head | Salesman | Indiana |
| 13 | Eleanor Mcbath | 51 | Wife | — | Indiana |
| 14 | Arch F. Fears | 46 | Head | Clerk | Mississippi |
| 15 | Jewel B. Fears | 39 | Wife | — | Mississippi |
| 16 | Kenneth Bell | 21 | Brother-in-law | Tile Setter | Mississippi |
| 17 | Reinhardt R. Zellmer | 53 | Head | Stone Mason | Kansas |
| 18 | Martha Zellmer | 57 | Wife | — | Nebraska |
| 19 | August Zellmer | 27 | Son | Supply Sergeant | Oklahoma |
| 20 | Winney W. Chambers | 74 | Head | Storekeeper | Tennessee |
| 21 | Flora G. Chambers | 52 | Wife | — | Tennessee |
| 22 | Mary Jo Chambers | 15 | Daughter | — | Oklahoma |
| 23 | Orville D. Paget | 46 | Head | Contractor | Arkansas |
| 24 | Clara D. Paget | 57 | Wife | — | Alabama |
| 25 | Kenneth D. Paget | 24 | Son | Carpenter | Arkansas |
| 26 | W. Aubrey Thomas | 46 | Head | Salesman | Missouri |
| 27 | Bertha E. Thomas | 37 | Wife | — | New York |
| 28 | Daniel C. Thomas | 16 | Son | — | Oklahoma |
| 29 | Andrew J. Lilly | 81 | Head | Laborer | Ohio |
| 30 | George William | 40 | Head | Bus Driver | Oklahoma |
| 31 | Ethel M. William | 35 | Wife | — | Arkansas |
| 32 | Mary A. William THIS PERSON | 16 | Daughter | — | Oklahoma |
| 33 | George Jr. William | 13 | Son | — | Oklahoma |
| 34 | L. B. (Only) Copeland | 32 | Head | Truck Driver | Texas |
| 35 | Neva Copeland | 32 | Wife | — | Arkansas |
| 36 | Wm. H. Brewster | 39 | Brother-in-law | Book Keeper | Arkansas |
| 37 | J. Cary Edwards | 64 | Head | Osteopath | Colorado |
| 38 | Bertha P. Edwards | 68 | Wife | — | Michigan |
| 39 | Jay Dammers | 59 | Head | Meter Inspector | Michigan |
| 40 | Susie E. Dammers | 51 | Wife | — | Arkansas |
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)