MM
Mary Mcdonnell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bronx-County, New York
Our Model Tree links this Mary Mcdonnell across the 1930 and 1940 US Censuses in Bronx-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1908), then head of a 5-person household.
Age 32
b. ~1908
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Bronx-County, New York |
| Surname | McDonnell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Bronx |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | New York City |
| 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 |
|---|---|---|---|---|
| Kathleen Mcdonnell | Daughter | — | ~1940 | |
| Christopher Mcdonnell | Head | — | 31 | ~1909 |
| Christopher Mcdonnell | Son | — | 1 | ~1939 |
| John Howard | Other | — | 41 | ~1899 |
| Mary Mcdonnell | Spouse | — | 32 | ~1908 |
Census Appearances
1930
Bronx, New …
Spouse, age 24
Bronx, New York · implied b. ~1906 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonnell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | First papers filed |
| Year of Immigration | 1900 |
| Age at First Marriage | 18 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Housewife |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Bronx-County, New …
Spouse, age 32
Bronx-County, New York · implied b. ~1908 — 5 household members
| Surname | McDonnell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Bronx |
| Naturalization Status | Naturalized |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Mcdonnell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcdonnell
Spouse · 1940 · age 32 · b. ~1908 · New York
★ 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 — Bronx-County, New York
Open full size
1940 US Federal Census — Bronx-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02467-00402)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Doris Luechthelm | 19 | Head | Shipping Clerk | New York |
| 2 | Frey Luechthelm | 15 | Son | — | New York |
| 3 | Isidore Goodman | 32 | Head | Salesman | New York |
| 4 | Shirley Goodman | 25 | Wife | — | New York |
| 5 | Arlene Price | 6 | Daughter | — | New York |
| 6 | Gussie Gertler | 63 | Mother | — | Germany |
| 7 | Martin Ducey | 40 | Head | Fireman | Ireland |
| 8 | Bessie Ducey | 33 | Wife | — | Ireland |
| 9 | Margaret Ducey | 7 | Daughter | — | New York |
| 10 | James Ducey | 5 | Son | — | New York |
| 11 | Bessie Ducey | 2 | Daughter | — | New York |
| 12 | Abel Stein | 43 | Head | Salesman | Ohio |
| 13 | Anne Stein | 40 | Wife | — | New York |
| 14 | Stanley Stein | 15 | Son | — | New York |
| 15 | Harriet Stein | 11 | Daughter | — | New York |
| 16 | Fred Arelmann | 46 | Head | Mechanic | Germany |
| 17 | Emilie Gutermann | 37 | Partner | Attendant | Germany |
| 18 | Christopher Mcdonnell | 31 | Head | Stevedore | Ireland |
| 19 | Mary Mcdonnell THIS PERSON | 32 | Wife | — | Ireland |
| 20 | Christopher Mcdonnell | 1 | Son | — | New York |
| 21 | Kathleen Mcdonnell | 0 | Daughter | — | New York |
| 22 | John P. Howard | 41 | Boarder | Elev. Oper. | Ireland |
| 23 | Alice Delreade | 43 | Head | — | New York |
| 24 | Elaine Delreade | 36 | Wife | — | New York |
| 25 | Gloria Delreade | 17 | Daughter | — | New York |
| 26 | Mildred Delreade | 13 | Daughter | — | New York |
| 27 | Simon Roanberg | 26 | Head | Sales Clerk | New York |
| 28 | Ann Roanberg | 24 | Wife | Roller | Pennsylvania |
| 29 | Incorrect Cancelled | None | Information | — | — |
| 30 | Samuel Knoll | 42 | Head | Salesman | New York |
| 31 | Rose Knoll | 70 | Mother | — | Russia |
| 32 | Vincent Franklin | 24 | Head | Chauffeur | New York |
| 33 | Margaret Franklin | 32 | Wife | — | New York |
| 34 | Vincent Franklin | 3 | Son | — | New York |
| 35 | John Franklin | 2 | Son | — | New York |
| 36 | Harry Goldberg | 57 | Head | Foreman | Russia |
| 37 | Pauline Goldberg | 50 | Wife | — | Russia |
| 38 | Roma Goldberg | 11 | Daughter | — | New York |
| 39 | Louis Justowitz | 51 | Head | Salesman | Hungary |
| 40 | Laura Justowitz | 45 | Wife | — | Hungary |
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)