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Mary Mcdonnell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Mary Mcdonnell across the 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1874), then head of a 5-person household.
Age 66
b. ~1874
Female
Spouse
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | McDonnell |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1874 |
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 |
|---|---|---|---|---|
| Mary Mcdonnell | Spouse | — | 66 | ~1874 |
| Patrick Mcdonnell | Head | — | 62 | ~1878 |
| William Mcdonnell | Son | — | 21 | ~1919 |
| Rita Mcdonnell | Daughter | — | 19 | ~1921 |
| Mary Mcdonnell | Daughter | — | 22 | ~1918 |
Census Appearances
1930
Hudson, New …
Head, age 57
Hudson, New Jersey · implied b. ~1873 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Widowed |
| Birthplace | New Jersey |
| Age at First Marriage | 20 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 42 |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Spouse, age 66
Hudson-County, New Jersey · implied b. ~1874 — 5 household members
| Surname | McDonnell |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 66 · b. ~1874 · New Jersey
★ 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 — Hudson-County, New Jersey
Open full size
1940 US Federal Census — Hudson-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02406-00614)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Geraldine M Mynarik | 14 | Daughter | — | New Jersey |
| 42 | Otto E Steinmann | 45 | Head | Brakeman | New Jersey |
| 43 | Nellie A Steinmann | 45 | Wife | — | Illinois |
| 44 | Margaret M Steinmann | 14 | Daughter | — | New Jersey |
| 45 | Arthur J Landis | 40 | Brother-in-law | Labor | New Jersey |
| 46 | William J Morecroft | 41 | Head | Repairman | England |
| 47 | Elizabeth E Morecroft | 42 | Wife | — | England |
| 48 | Albert G Fraher | 41 | Head | Metal Finisher | New Jersey |
| 49 | Mary E Fraher | 40 | Wife | — | New Jersey |
| 50 | Donald A Fraher | 9 | Son | — | New Jersey |
| 51 | — | None | — | — | — |
| 52 | John W Baird | 48 | Head | Repairman | New Jersey |
| 53 | Mary A D Baird | 51 | Wife | — | New York |
| 54 | Felicia X Ancona | 75 | Head | — | Italy |
| 55 | Thomas J Mccormack | 48 | Head | Plumber Helper | Ireland |
| 56 | Elizabeth W Mccormack | 43 | Wife | Housekeeper | Scotland |
| 57 | Margaret P Mccormack | 19 | Daughter | New Worker | Scotland |
| 58 | Catherine G Mccormack | 16 | Daughter | New Worker | New Jersey |
| 59 | Catherine E Travers | 61 | Head | — | New Jersey |
| 60 | Albert J Travers | 36 | Son | Bar Shell | New Jersey |
| 61 | June M Travers | 22 | Daughter | Checker | New Jersey |
| 62 | Doris Travers | 16 | Granddaughter | — | New Jersey |
| 63 | Henry J O'Neill | 59 | Head | City Park | New York |
| 64 | Mary E O'Neill | 58 | Wife | — | New York |
| 65 | Evelyn A Cornwell | 17 | Niece | New Worker | New York |
| 66 | William S Francis | 46 | Boarder | Extra Clerk | New Jersey |
| 67 | George H Bishop | 54 | Head | Tailor | New York |
| 68 | Gertrude Bishop | 52 | Wife | — | New York |
| 69 | Harry S Yamiak | 54 | Head | Tailor | Armenia |
| 70 | Rose Yamiak | 49 | Wife | — | Armenia |
| 71 | Arman Yamiak | 23 | Son | — | New Jersey |
| 72 | James J Hurley | 37 | Head | W.P.A. | New Jersey |
| 73 | Elizabeth Hurley | 33 | Wife | — | New Jersey |
| 74 | Robert R Hurley | 8 | Son | — | New Jersey |
| 75 | James Jr Hurley | 2 | Son | — | New Jersey |
| 76 | Patrick J Mcdonnell | 62 | Head | Policeman | New Jersey |
| 77 | Mary E Mcdonnell THIS PERSON | 66 | Wife | — | New Jersey |
| 78 | Mary G Mcdonnell | 22 | Daughter | Clerk | New Jersey |
| 79 | William P Mcdonnell | 21 | Son | Clerk | New Jersey |
| 80 | Rita P Mcdonnell | 19 | Daughter | — | New Jersey |
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)