MO
Mary Osborne — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Carroll-County, Maryland
Our Model Tree links this Mary Osborne across the 1920, 1930 and 1940 US Censuses in Carroll-County, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1880), then head of a 4-person household.
Age 60
b. ~1880
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Carroll-County, Maryland |
| Surname | Osborne |
| Given Name | Mary S. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Westminster |
| 1935 Residence (County) | Carroll |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Westminster |
| Est. Birth Year | ~1880 |
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 |
|---|---|---|---|---|
| George Osborne | Head | — | 62 | ~1878 |
| George Osborne | Son | — | 29 | ~1911 |
| Mary Osborne | Spouse | — | 60 | ~1880 |
| Noomi Hulick | Other | — | 68 | ~1872 |
Census Appearances
1920
Carroll, Maryland
Spouse, age 40
Carroll, Maryland · implied b. ~1880 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Osborne |
| Given Name | Mary F |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Carroll, Maryland
Spouse, age 50
Carroll, Maryland · implied b. ~1880 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Osborne |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 24 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Carroll-County, Maryland
Spouse, age 60
Carroll-County, Maryland · implied b. ~1880 — 4 household members
| Surname | Osborne |
| Given Name | Mary S. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Westminster |
| 1935 Residence (County) | Carroll |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Osborne across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Osborne
Spouse · 1940 · age 60 · b. ~1880 · Maryland
★ 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 — Carroll-County, Maryland
Open full size
1940 US Federal Census — Carroll-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01544-00647)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Emma Knott | 26 | Wife | Seamstress | Maryland |
| 42 | Sadie Woolery | 61 | Mother-in-law | — | Maryland |
| 43 | William H. Routzahn | 36 | Head | Chiropractor | Maryland |
| 44 | James Danner | 43 | Head | Mechanic | Maryland |
| 45 | Mary Danner | 22 | Wife | — | Maryland |
| 46 | Ray Danner | 2 | Son | — | Maryland |
| 47 | Mervin Martin | 33 | Head | Insul. Cleaner | Maryland |
| 48 | Henrietta Martin | 29 | Wife | — | Maryland |
| 49 | Doris Martin | 10 | Daughter | — | Maryland |
| 50 | Cora Thompson | 66 | Head | Seamstress | Maryland |
| 51 | Walter Gesell | 33 | Head | Sweeper | Maryland |
| 52 | Emily Gesell | 28 | Wife | — | Maryland |
| 53 | Lena May Gesell | 3 | Daughter | — | Maryland |
| 54 | Gertrude Gesell | 60 | Mother | — | Maryland |
| 55 | Charles E. Wardenfelt | 21 | Head | Presser | Maryland |
| 56 | Mildred I. Wardenfelt | 23 | Wife | Examiner | Maryland |
| 57 | Pauline Wardenfelt | 5 | Daughter | — | Pennsylvania |
| 58 | Richard E. Wardenfelt | 4 | Son | — | Pennsylvania |
| 59 | Mary Powell | 19 | Sister-in-law | — | Maryland |
| 60 | Mary E. Hull | 48 | Head | — | Maryland |
| 61 | William B. Hull | 49 | Head | Civil Engineer | Maryland |
| 62 | Mary W. Hull | 46 | Wife | — | Maryland |
| 63 | Howard E. Jr. Koontz | 52 | Head | Purchasing Agent | Maryland |
| 64 | Louise Koontz | 26 | Wife | — | Maryland |
| 65 | Howard E. 3Rd Koontz | 3 | Son | — | Maryland |
| 66 | Margaret Koontz | 72 | Head | — | Maryland |
| 67 | Milton P. Myers | 68 | Head | Retired | Maryland |
| 68 | Sarah J. Myers | 71 | Wife | — | Maryland |
| 69 | Dorothy Lohr | 19 | Servant | Housekeeper | Pennsylvania |
| 70 | George Osborne | 62 | Head | Salesman | Ohio |
| 71 | Mary S. Osborne THIS PERSON | 60 | Wife | — | Pennsylvania |
| 72 | Noomi E. Hulick | 68 | Sister-in-law | — | Pennsylvania |
| 73 | George D. Osborne | 29 | Son | Clerk | Maryland |
| 74 | Herbert Myers | 62 | Head | Merchant | Maryland |
| 75 | Carrie Myers | 59 | Wife | — | Maryland |
| 76 | John Oliver Geiman | 43 | Head | Merchant | Maryland |
| 77 | Mary Geiman | 41 | Wife | Book Keeper | Maryland |
| 78 | J. Oliver Jr. Geiman | 21 | Son | Helper | Maryland |
| 79 | David Geiman | 18 | Son | — | Maryland |
| 80 | Carl Geiman | 16 | Son | — | Maryland |
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)