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Mary Marsh — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Crawford-County, Ohio
Our Model Tree links this Mary Marsh across the 1930 and 1940 US Censuses in Crawford-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Crawford-County, Ohio |
| Surname | Marsh |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Galion City |
| 1935 Residence (County) | Crawford |
| Additional Details | |
| Occupation | Cost Clerk |
| Industry | N. Electric Mfg Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 230 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Cost Clerk |
| Township / Ward | Galion City |
| Est. Birth Year | ~1918 |
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 Marsh | Daughter | — | 22 | ~1918 |
| Anthony Dougherty | Head | — | 63 | ~1877 |
| Carrie Dougherty | Spouse | — | 58 | ~1882 |
| Sylvester Shade | Other | — | 59 | ~1881 |
Census Appearances
1930
Crawford, Ohio
Daughter, age 12
Crawford, Ohio · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marsh |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| 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
Crawford-County, Ohio
Daughter, age 22
Crawford-County, Ohio · implied b. ~1918 — 4 household members
| Surname | Marsh |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Galion City |
| 1935 Residence (County) | Crawford |
| Occupation | Cost Clerk |
| Industry | N. Electric Mfg Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 230 |
| Highest Grade | H 4 |
| 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 Marsh across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Marsh
Daughter · 1940 · age 22 · b. ~1918 · 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 — Crawford-County, Ohio
Open full size
1940 US Federal Census — Crawford-County, Ohio
Page Contents
32 people indexed on this census page (nara:1940:m-t0627-03047-00582)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Maurice Barber | 16 | Son | Student | Ohio |
| 2 | Clifford Whiting | 27 | Head | Tester | Pennsylvania |
| 3 | Elvira Steinhelfer | 42 | Head | Helper | Ohio |
| 4 | Jesse E Steinhelfer | 24 | Son | — | Ohio |
| 5 | Delbert Jr Steinhelfer | 16 | Son | — | Ohio |
| 6 | Gerald F Steinhelfer | 14 | Son | — | Ohio |
| 7 | Althea G Miller | 52 | Head | Practical Nurse | Ohio |
| 8 | Herman G Asher | 21 | Head | Assembly | Ohio |
| 9 | Emily Marsh | 44 | Head | — | Ohio |
| 10 | Harry Smart | 71 | Head | — | Ohio |
| 11 | Hazel Johnson | 50 | — | House Keeper | Ohio |
| 12 | James A Guild | 62 | Head | Watchman | Ohio |
| 13 | June F Guild | 36 | — | Assembler | Ohio |
| 14 | Richard W Guild | 25 | — | Clerk | Ohio |
| 15 | Susan E Casey | 63 | Head | Clerk | Ohio |
| 16 | Harold Hartman | 25 | Head | Office | Ohio |
| 17 | Doris F Hartman | 22 | Wife | — | Ohio |
| 18 | Dolores J Hartman | 2 | Daughter | — | Ohio |
| 19 | Frank S Shaffer | 64 | Head | — | Ohio |
| 20 | Barton S Gable | 54 | Head | — | Ohio |
| 21 | Verna Haislett | 50 | Wife | — | Ohio |
| 22 | Beverly Haislett | 16 | Daughter | — | Ohio |
| 23 | Anthony T Dougherty | 63 | Head | Machinist | Ohio |
| 24 | Carrie L Dougherty | 58 | Wife | — | Ohio |
| 25 | Sylvester C Shade | 59 | — | — | Ohio |
| 26 | Mary L Marsh THIS PERSON | 22 | Daughter | Cost Clerk | Ohio |
| 27 | Leon R Rick | 44 | Head | Salesman | Ohio |
| 28 | Elizabeth Rick | 41 | Wife | — | Ohio |
| 29 | Leon R Jr Rick | 18 | Son | — | Ohio |
| 30 | Harold M Rick | 12 | Son | — | Ohio |
| 31 | Merce C Rick | 10 | Daughter | — | Ohio |
| 32 | Harriene Rick | 8 | Daughter | — | 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)