MR
Mary Russell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Mary Russell across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1878), then head of a 5-person household.
Age 62
b. ~1878
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Russell |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Class of Worker | No |
| Highest Grade | No 5 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1878 |
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 |
|---|---|---|---|---|
| Orita Kelly | Daughter | — | 37 | ~1903 |
| Albert Russell | Head | — | 67 | ~1873 |
| Isobel Kelly | Other | — | 12 | ~1928 |
| Leonard Russell | Son | — | 35 | ~1905 |
| Mary Russell | Spouse | — | 62 | ~1878 |
Census Appearances
1920
Baltimore, Maryland
Spouse, age 43
Baltimore, Maryland · implied b. ~1877 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Russell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| 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
Spouse, age 54
Baltimore, Maryland · implied b. ~1876 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Russell |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 24 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Spouse, age 62
Baltimore-City-County, Maryland · implied b. ~1878 — 5 household members
| Surname | Russell |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Class of Worker | No |
| Highest Grade | No 5 |
| 1935 Residence | Maryland |
| 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 Russell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Russell
Spouse · 1940 · age 62 · b. ~1878 · 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-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01535-00084)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carrie Steinbach | 53 | Head | — | Maryland |
| 42 | Samuel Brittingham | 52 | Head | Steam Crane Operator | Maryland |
| 43 | Anna E Brittingham | 48 | Wife | Seamstress | Maryland |
| 44 | Rozel Thompson | 24 | Daughter | Packer | Maryland |
| 45 | George W Thompson | 22 | Son | Packer | Maryland |
| 46 | Virginia Thompson | 12 | Daughter | Helper | Maryland |
| 47 | Barbara Thompson | 11 | Daughter | — | Maryland |
| 48 | Hellen Thompson | 10 | Daughter | — | Maryland |
| 49 | Charles Thompson | 3 | Grandson | — | Maryland |
| 50 | Arthur Johnson | 58 | Lodger | Blacksmith | Maryland |
| 51 | Albert J Russell | 67 | Head | — | Maryland |
| 52 | Mary E Russell THIS PERSON | 62 | Wife | — | Maryland |
| 53 | Leonard J Russell | 35 | Son | Labor | Maryland |
| 54 | Orita Kelly | 37 | Daughter | Typist | Maryland |
| 55 | Isobel Kelly | 12 | Granddaughter | — | Maryland |
| 56 | Joseph Aloio | 41 | Head | Street Car Operator | Maryland |
| 57 | Burnetta Aloio | 31 | Wife | — | Maryland |
| 58 | Joseph Aloio | 13 | Son | — | Maryland |
| 59 | Edward Aloio | 11 | Son | — | Maryland |
| 60 | George Cooper | 53 | Head | Elevator Operator | Maryland |
| 61 | Ethel Cooper | 46 | Wife | — | Maryland |
| 62 | Anne Wasterberg | 61 | Head | — | Maryland |
| 63 | Charles Klein | 33 | Son | Welder | New York |
| 64 | Joan Klein | 25 | Daughter-in-law | Laborer | Maryland |
| 65 | Charles Jr Klein | 6 | Son | — | Maryland |
| 66 | Barbara Klein | 3 | Daughter | — | Maryland |
| 67 | Florence Carroll | 64 | Head | — | Maryland |
| 68 | Samuel C Coursey | 53 | Son-in-law | Engineer | Maryland |
| 69 | Ida L Coursey | 37 | Daughter | — | Maryland |
| 70 | Eileen Coursey | 11 | Granddaughter | — | Maryland |
| 71 | Mary Foss | 78 | Head | Mending | Maryland |
| 72 | Bertha Foss | 30 | Step-daughter | Packer | Maryland |
| 73 | Nelson Foss | 28 | Son | Truck Driver | Maryland |
| 74 | Author Snow | 69 | Head | Weather Stripper | Mass |
| 75 | Katie Snow | 64 | Wife | — | Maryland |
| 76 | Allen Snow | 30 | Son | Weather Stripper | Maryland |
| 77 | John Fitzpatrick | 32 | Lodger | Electrical | Maryland |
| 78 | Robert Caldwell | 48 | Head | Carpenter | Virginia |
| 79 | Anna Caldwell | 42 | Wife | — | Maryland |
| 80 | Robert D Caldwell | 21 | Son | Helper | 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)