MF
Mary Francis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-County, Maryland
Our Model Tree links this Mary Francis across the 1920, 1930 and 1940 US Censuses in Baltimore-County, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1872), then head of a 3-person household.
Age 68
b. ~1872
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-County, Maryland |
| Surname | Francis |
| Given Name | Mary M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District No 9 |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Election District No 9 |
| Est. Birth Year | ~1872 |
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 |
|---|---|---|---|---|
| Margaret Francis | Daughter | — | 38 | ~1902 |
| Mary Francis | Spouse | — | 68 | ~1872 |
| John Francis | Head | — | 80 | ~1860 |
Census Appearances
1920
Baltimore, Maryland
Spouse, age 47
Baltimore, Maryland · implied b. ~1873 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Francis |
| Given Name | Mary M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Germany |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Other, age 58
Baltimore, Maryland · implied b. ~1872 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Francis |
| Given Name | Mary M. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 20 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-County, Maryland
Spouse, age 68
Baltimore-County, Maryland · implied b. ~1872 — 3 household members
| Surname | Francis |
| Given Name | Mary M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District No 9 |
| 1935 Residence (County) | Baltimore |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Francis 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 Francis
Spouse · 1940 · age 68 · b. ~1872 · 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 — Baltimore-County, Maryland
Open full size
1940 US Federal Census — Baltimore-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01505-00185)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John B. Coulter | 30 | Head | Florist | Maryland |
| 2 | Katherine Coulter | 31 | Wife | — | Maryland |
| 3 | Anne Coulter | 7 | Daughter | — | Maryland |
| 4 | Wilson Buecker | 42 | Head | House Painter | Maryland |
| 5 | Margaret Buecker | 40 | Wife | — | Maryland |
| 6 | Blanche Buecker | 19 | Daughter | Governess | Maryland |
| 7 | Marjorie Buecker | 17 | Daughter | Helper | Maryland |
| 8 | Lucille Buecker | 14 | Daughter | — | Maryland |
| 9 | Robert Buecker | 13 | Son | — | Maryland |
| 10 | Malcolm Buecker | 12 | Son | — | Maryland |
| 11 | Donald Buecker | 10 | Son | — | Maryland |
| 12 | John M. Pinkham | 31 | Head | Machinist | Maryland |
| 13 | Elizabeth Pinkham | 27 | Wife | — | Maryland |
| 14 | John M. Pinkham | 5 | Son | — | Maryland |
| 15 | Robert S. Pinkham | 12 | Son | — | Maryland |
| 16 | John C. Francis | 80 | Head | — | Maryland |
| 17 | Mary M. Francis THIS PERSON | 68 | Wife | — | Maryland |
| 18 | Margaret Francis | 38 | Daughter | Assembler | Maryland |
| 19 | James Kole | 28 | Head | Truck Driver | Texas |
| 20 | Mary Kole | 30 | Wife | — | Maryland |
| 21 | Alfred Kole | 2 | Son | — | Maryland |
| 22 | Donald Kole | 1 | Son | — | Maryland |
| 23 | John T. Dawes | 36 | Head | Chauffeur | Maryland |
| 24 | Helen Dawes | 35 | Wife | — | Maryland |
| 25 | Albert Kaur | 31 | Head | Machinist | Maryland |
| 26 | Maud Kaur | 35 | Wife | — | Maryland |
| 27 | John Kaur | 9 | Son | — | Maryland |
| 28 | Audrey Farmer | 29 | Head | Truck Driver | Maryland |
| 29 | Audrey Farmer | 30 | Wife | — | Maryland |
| 30 | Dolores Farmer | 5 | Daughter | — | Maryland |
| 31 | Eileen Farmer | 2 | Daughter | — | Maryland |
| 32 | John Koren | 41 | Head | Crane Operator | Maryland |
| 33 | Hazel Koren | 32 | Wife | — | Maryland |
| 34 | Charles Koren | 10 | Son | — | Maryland |
| 35 | Frank Koren | 8 | Son | — | Maryland |
| 36 | Warren Koren | 5 | Son | — | Maryland |
| 37 | John Poston | 77 | Head | — | Maryland |
| 38 | Annie Poston | 72 | Wife | — | Maryland |
| 39 | Mary Poston | 55 | Daughter | — | Maryland |
| 40 | June Poston | 6 | Daughter | — | Maryland |
Related Census Records
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)