ML
Mary Lawson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lawrence-County, Ohio
Our Model Tree links this Mary Lawson across the 1930 and 1940 US Censuses in Lawrence-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1906), then head of a 8-person household.
Age 34
b. ~1906
Female
Spouse
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lawrence-County, Ohio |
| Surname | Lawson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Ironton city |
| 1935 Residence (County) | Lawrence |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Ironton City |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Jeanne Lawson | Daughter | — | 14 | ~1926 |
| Mary Lawson | Daughter | — | 8 | ~1932 |
| Leila Lawson | Daughter | — | 15 | ~1925 |
| Thomas Lawson | Head | — | 34 | ~1906 |
| Le Lawson | Son | — | 9 | ~1931 |
| James Lawson | Son | — | 13 | ~1927 |
| Jerry Lawson | Son | — | 6 | ~1934 |
| Mary Lawson | Spouse | — | 34 | ~1906 |
Census Appearances
1930
Lawrence, Ohio
Other, age 24
Lawrence, Ohio · implied b. ~1906 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lawson |
| Given Name | Mary E. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 15 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Lawrence-County, Ohio
Spouse, age 34
Lawrence-County, Ohio · implied b. ~1906 — 8 household members
| Surname | Lawson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Ironton city |
| 1935 Residence (County) | Lawrence |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Lawson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Lawson
Spouse · 1940 · age 34 · b. ~1906 · Ohio
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Lawrence-County, Ohio
Open full size
1940 US Federal Census — Lawrence-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03096-00558)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Owen Slusser | 36 | Head | Machinist | Indiana |
| 2 | Marguerite Slusser | 32 | Wife | — | Indiana |
| 3 | Caroline Slusser | 10 | Daughter | — | Indiana |
| 4 | Guy A. Graham | 45 | Head | Salesman | Michigan |
| 5 | Ena B. Graham | 45 | Wife | — | Michigan |
| 6 | John C. Graham | 16 | Son | Usher | Michigan |
| 7 | Robert F. Graham | 15 | Son | Paper Boy | Michigan |
| 8 | Charles Harris | 58 | Head | Molder | Ohio |
| 9 | Mary Harris | 53 | Wife | — | Ohio |
| 10 | Ed Stowell | 73 | Head | — | Ohio |
| 11 | Bella Stowell | 68 | Wife | — | Ohio |
| 12 | Laverne Picklesimer | 45 | Daughter | — | Ohio |
| 13 | Billy Sulliman | 17 | Nephew | — | Ohio |
| 14 | Harry M. Smith | 37 | Head | Bricklayer | Ohio |
| 15 | Goldie C. Smith | 35 | Wife | — | Ohio |
| 16 | Eugene C. Smith | 16 | Son | — | Ohio |
| 17 | William L. Smith | 15 | Son | — | Ohio |
| 18 | Effie C. Thomas | 71 | Head | — | Ohio |
| 19 | Emma J. Wade | 80 | Head | — | Ohio |
| 20 | Edna Wade | 38 | Daughter | — | Ohio |
| 21 | Chesley Noel | 68 | Nephew | Wine Drawer | Ohio |
| 22 | Cecil Hostler | 35 | Head | — | Ohio |
| 23 | Chester Hostler | 27 | Brother | Sprayer | Ohio |
| 24 | Russell Hostler | 23 | Brother | Machine Operator | Ohio |
| 25 | William J. Spanner | 45 | Head | Mail Clerk | Ohio |
| 26 | Gertrude Spanner | 28 | Wife | — | Ohio |
| 27 | William Spanner | 5 | Son | — | Ohio |
| 28 | Clifford C. Crance | 45 | Head | Manager | Ohio |
| 29 | Bertha Crance | 43 | Wife | — | Ohio |
| 30 | Fannie Geiger | 81 | Mother-in-law | — | Ohio |
| 31 | John C. Hayes | 45 | Head | Salesman | Ohio |
| 32 | Margaret Hayes | 56 | Wife | — | Ohio |
| 33 | Thomas Lawson | 34 | Head | Storekeeper | West Virginia |
| 34 | Mary Lawson THIS PERSON | 34 | Wife | — | Ohio |
| 35 | Leila Lawson | 15 | Daughter | — | Ohio |
| 36 | Jeanne Lawson | 14 | Daughter | — | Ohio |
| 37 | James Lawson | 13 | Son | — | Ohio |
| 38 | Le Roy Lawson | 9 | Son | — | Ohio |
| 39 | Mary R. Lawson | 8 | Daughter | — | Ohio |
| 40 | Jerry Lawson | 6 | Son | — | Ohio |
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)