MC
Mary Cole — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-County, Maryland
Our Model Tree links this Mary Cole across the 1920, 1930 and 1940 US Censuses in Baltimore-County, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1908), then head of a 5-person household.
Age 32
b. ~1908
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-County, Maryland |
| Surname | Cole |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 8 |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Election District 8 |
| Est. Birth Year | ~1908 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Helen Cole | Daughter | — | 7 | ~1933 |
| Thomas Cole | Head | — | 39 | ~1901 |
| Robert Cole | Son | — | 9 | ~1931 |
| John Cole | Son | — | 10 | ~1930 |
| Mary Cole | Spouse | — | 32 | ~1908 |
Census Appearances
1920
Baltimore, Maryland
Other, age 12
Baltimore, Maryland · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cole |
| Given Name | Mary E. |
| Relationship to Head | sister-in-law |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Other, age 21
Baltimore, Maryland · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cole |
| Given Name | Mary E. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 18 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-County, Maryland
Spouse, age 32
Baltimore-County, Maryland · implied b. ~1908 — 5 household members
| Surname | Cole |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 8 |
| 1935 Residence (County) | Baltimore |
| Highest Grade | Hs 1 |
| 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 Cole 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 Cole
Spouse · 1940 · age 32 · b. ~1908 · Maryland
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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 — 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-t0627-01504-00249)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eldridge | 19 | Son | Farm Helper | Maryland |
| 42 | Raymond Jr. Eldridge | 17 | Son | Farm Helper | Maryland |
| 43 | Mary Ruth Eldridge | 10 | Daughter | — | Maryland |
| 44 | Betty Ann Eldridge | 5 | Daughter | — | Maryland |
| 45 | Eli S. Martin | 77 | Head | — | Maryland |
| 46 | Mary C. Martin | 65 | Wife | — | Maryland |
| 47 | Mary C. Martin | 26 | Daughter | Seamstress | Maryland |
| 48 | John O. Merryman | 46 | Head | Farmer | Maryland |
| 49 | Bessie E. Merryman | 46 | Wife | — | Maryland |
| 50 | Blanche Merryman | 22 | Daughter | Clerk | Maryland |
| 51 | Rosalie J. Merryman | 16 | Daughter | — | Maryland |
| 52 | Dorothy Reeves | 15 | Servant | Servant | Maryland |
| 53 | Claude Schuckert | 57 | Hired hand | Farm Laborer | Virginia |
| 54 | Thomas B. Cole | 39 | Head | Farmer | Maryland |
| 55 | Mary E. Cole THIS PERSON | 32 | Wife | — | Maryland |
| 56 | John C. Cole | 10 | Son | — | Maryland |
| 57 | Robert B. Cole | 9 | Son | — | Maryland |
| 58 | Helen J. Cole | 7 | Daughter | — | Maryland |
| 59 | S. Leroy Martin | 35 | Head | Carpenter | Maryland |
| 60 | Elsie D. Martin | 26 | Wife | — | Maryland |
| 61 | Charles Martin | 0 | Son | — | Maryland |
| 62 | Benny R. Cole | 45 | Head | Farmer | Maryland |
| 63 | Edna A. Cole | 41 | Wife | — | Maryland |
| 64 | Donald E. Cole | 8 | Son | — | Maryland |
| 65 | Charles M. Cole | 23 | Son | — | Pennsylvania |
| 66 | Grace A. Schultz | 52 | Head | — | Maryland |
| 67 | Robert E. Merryman | 77 | Brother | — | Maryland |
| 68 | Lilla A. Armacost | 72 | Head | — | Maryland |
| 69 | Wilbur W. Cole | 34 | Son-in-law | Cost Accountant | Maryland |
| 70 | Mary Cole | 35 | Daughter | — | Maryland |
| 71 | John C. Armacost | 63 | Head | Farmer | Maryland |
| 72 | Barbara E. Armacost | 58 | Wife | — | Maryland |
| 73 | Vernon Armacost | 32 | Son | Farm Laborer | Maryland |
| 74 | Catherine Bowman | 24 | Daughter | Stenographer | Maryland |
| 75 | Charles A. Rowles | 68 | Head | Farmer | Maryland |
| 76 | Irene Rowles | 65 | Sister | — | Maryland |
| 77 | Burvin Leroy Michael | 41 | Head | Farmer | Maryland |
| 78 | Missouri V. Michael | 43 | Wife | — | Maryland |
| 79 | Ellwood W. Michael | 13 | Son | — | Maryland |
| 80 | Oswald C. George | 32 | Head | Farm Manager | 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)