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Mary Lawson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Columbiana-County, Ohio
Our Model Tree links this Mary Lawson across the 1920, 1930 and 1940 US Censuses in Columbiana-County, Ohio (XGBoost, ~Confirmed), with identified parents Alexander & James — first a spouse (b.~1904), then head of a 3-person household.
Age 36
b. ~1904
Female
Spouse
Born: West Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Columbiana-County, Ohio |
| Surname | Lawson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | West Virginia |
| 1935 Residence (City) | Madison Township |
| 1935 Residence (County) | Columbiana |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Ohio |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
| Township / Ward | East Liverpool |
| Est. Birth Year | ~1904 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Frances Lawson | Daughter | — | 3 | ~1937 |
| Raymond Lawson | Head | — | 45 | ~1895 |
| Mary Lawson | Spouse | — | 36 | ~1904 |
Census Appearances
1920
Columbiana, Ohio
Daughter, age 15
Columbiana, Ohio · implied b. ~1905 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lawson |
| Given Name | Marie L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | West Virginia |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1930
Columbiana, Ohio
Daughter, age 26
Columbiana, Ohio · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lawson |
| Given Name | Marie |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | West Virginia |
| Age at First Marriage | 21 |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1940
Columbiana-County, Ohio
Spouse, age 36
Columbiana-County, Ohio · implied b. ~1904 — 3 household members
| Surname | Lawson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | West Virginia |
| 1935 Residence (City) | Madison Township |
| 1935 Residence (County) | Columbiana |
| Highest Grade | No 8 |
| 1935 Residence | Ohio |
| 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 Mary Lawson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alexander Cochran (~0.92 confidence) and father James Lawson (~0.92 confidence) and mother Ellen Cochran (~0.92 confidence) and mother Ada Lawson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alexander Cochran
b. ~1844
Source father
● Household
· direct · ~0.92
Father
James Lawson
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Ellen Cochran
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Ada Lawson
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Lawson
Spouse · 1940 · age 36 · b. ~1904 · Ohio
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Columbiana-County, Ohio
Open full size
1940 US Federal Census — Columbiana-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03043-00672)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jackie White | 6 | Son | — | Ohio |
| 2 | Ira B. White | 4 | Son | — | Ohio |
| 3 | Millie Alley | 63 | Mother in law | — | Kentucky |
| 4 | John K. Alley | 29 | Brother in law | Crane Driver | Pennsylvania |
| 5 | Dorothy B. Alley | 25 | Sister in law | — | England |
| 6 | Hazel Rosenbaum | 42 | Head | Caster | Ohio |
| 7 | Anna Rosenbaum | 38 | Wife | — | Ohio |
| 8 | Richard Rosenbaum | 18 | Son | — | Ohio |
| 9 | Elizabeth Rosenbaum | 16 | Daughter | — | Ohio |
| 10 | Thomas Rosenbaum | 12 | Son | — | Ohio |
| 11 | Thomas Galloway | 59 | Head | — | Ohio |
| 12 | Sara B. Galloway | 51 | Wife | Ware Dresser | Ohio |
| 13 | John Galloway | 28 | Son | Chipper | Ohio |
| 14 | Donald Galloway | 12 | Son | — | Ohio |
| 15 | Raymond Lawson | 45 | Head | Drawer | West Virginia |
| 16 | Mary Lawson THIS PERSON | 36 | Wife | — | West Virginia |
| 17 | Frances Lawson | 3 | Daughter | — | Ohio |
| 18 | Earl E. Gross | 34 | Head | Painter | Ohio |
| 19 | Rachel Gross | 32 | Wife | — | Ohio |
| 20 | Thora Gross | 11 | Daughter | — | Ohio |
| 21 | Judith Gross | 8 | Daughter | — | Ohio |
| 22 | Florence Merriman | 55 | Head | Decorator | England |
| 23 | George Merriman | 21 | Son | Loader | Ohio |
| 24 | Jean Merriman | 12 | Daughter | — | Ohio |
| 25 | James Browning | 72 | Father | — | England |
| 26 | Charles C. Stewart | 47 | Head | Truck Driver | West Virginia |
| 27 | Ella Stewart | 52 | Wife | — | Ohio |
| 28 | Delbert Williams | 32 | Head | Automobile Salesman | West Virginia |
| 29 | Mary Ann Williams | 24 | Wife | Wrapper | Ohio |
| 30 | Chrisona Williams | 1 | Daughter | — | Ohio |
| 31 | George Eisenman | 44 | Head | Batter Out | Ohio |
| 32 | Pauline Eisenman | 28 | Wife | — | Ohio |
| 33 | Sherman P. Rohr | 41 | Head | Brakeman | West Virginia |
| 34 | Hattie Rohr | 40 | Wife | — | West Virginia |
| 35 | Sherman Jr. Rohr | 18 | Son | Laborer | Ohio |
| 36 | Clara Jane Rohr | 15 | Daughter | — | Ohio |
| 37 | Wilma L. Rohr | 8 | Daughter | — | Ohio |
| 38 | Eleanor M. Rohr | 5 | Daughter | — | Ohio |
| 39 | Orin C. Powell | 35 | Head | Tool Filer | Ohio |
| 40 | Elsie Powell | 32 | Wife | — | Ohio |
Pedigree Summary
Mary
Gen 1 · 4 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)