MD
Mary Donovan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bergen-County, New Jersey
Our Model Tree links this Mary Donovan across the 1920, 1930 and 1940 US Censuses in Bergen-County, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1870), then head of a 5-person household.
Age 70
b. ~1870
Female
Spouse
Born: Connecticut
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Bergen-County, New Jersey |
| Surname | Donovan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Connecticut |
| 1935 Residence (City) | Park Ridge |
| 1935 Residence (County) | Bergen |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
| Township / Ward | Park Ridge |
| Est. Birth Year | ~1870 |
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 |
|---|---|---|---|---|
| Christine Donovan | Daughter | — | 32 | ~1908 |
| Dorothy Donovan | Daughter | — | 34 | ~1906 |
| Patrick Donovan | Head | — | 74 | ~1866 |
| Clifford Donovan | Son | — | 34 | ~1906 |
| Mary Donovan | Spouse | — | 70 | ~1870 |
Census Appearances
1920
Bergen, New …
Spouse, age 50
Bergen, New Jersey · implied b. ~1870 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donovan |
| Given Name | Mary C |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Connecticut |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1930
Bergen, New …
Other, age 60
Bergen, New Jersey · implied b. ~1870 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donovan |
| Given Name | Mary C |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Connecticut |
| Age at First Marriage | 29 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1940
Bergen-County, New …
Spouse, age 70
Bergen-County, New Jersey · implied b. ~1870 — 5 household members
| Surname | Donovan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Connecticut |
| 1935 Residence (City) | Park Ridge |
| 1935 Residence (County) | Bergen |
| Class of Worker | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
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 Donovan 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 Donovan
Spouse · 1940 · age 70 · b. ~1870 · New Jersey
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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 — Bergen-County, New Jersey
Open full size
1940 US Federal Census — Bergen-County, New Jersey
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-02312-00825)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clyde North | 51 | Head | — | Indiana |
| 42 | Mary North | 34 | Wife | — | Ohio |
| 43 | Mae Mc Cade | 67 | Mother in Law | — | Indiana |
| 44 | Patrick Donovan | 74 | Head | Carpenter | Ireland |
| 45 | Mary Donovan THIS PERSON | 70 | Wife | — | Connecticut |
| 46 | Clifford Donovan | 34 | Son | Partner | Connecticut |
| 47 | Dorothy Donovan | 34 | Daughter | Partner | New Jersey |
| 48 | Christine Donovan | 32 | Daughter | Partner | New Jersey |
| 49 | Thomas Moore | 61 | Head | — | New York |
| 50 | Bessie Moore | 44 | Wife | — | Ireland |
| 51 | Mary Ann Moore | 16 | Daughter | — | New York |
| 52 | Lucy Healy | 35 | Head | Assistant Superintendent | New York |
| 53 | Nelson Griggs | 50 | Head | Carbon Paper Machine Operator | New Jersey |
| 54 | Margaret Griggs | 57 | Wife | — | England |
| 55 | Nelson Jr. Griggs | 19 | Son | Delivery Boy | New Jersey |
| 56 | Theodore Beck | 27 | Head | — | France |
| 57 | Charles Whitney | 54 | Head | Laborer | New York |
| 58 | Josephine Whitney | 45 | Wife | — | Connecticut |
| 59 | Harold Whitney | 20 | Son | Knitter | New Jersey |
| 60 | Gladys Whitney | 16 | Daughter | — | New Jersey |
| 61 | Harry Whitney | 15 | Son | — | New Jersey |
| 62 | Josephine Whitney | 11 | Daughter | — | New Jersey |
| 63 | Robert Whitney | 9 | Son | — | New Jersey |
| 64 | Dorothy Whitney | 8 | Daughter | — | New Jersey |
| 65 | Charles Jr. Whitney | 26 | Head | Truck Driver | New Jersey |
| 66 | Elizabeth Whitney | 21 | Wife | — | New Jersey |
| 67 | Elizabeth Whitney | 2 | Daughter | — | New Jersey |
| 68 | Dorothy Whitney | 1 | Daughter | — | New Jersey |
| 69 | Charles 3Rd Whitney | 0 | Son | — | New Jersey |
| 70 | Raymond Whitney | 22 | Brother | Knitter | New Jersey |
| 71 | — | None | — | — | — |
| 72 | George Kiersling | 70 | Head | — | Germany |
| 73 | Marie Kiersling | 69 | Wife | — | Germany |
| 74 | Otto Kiersling | 49 | Son | Bookkeeper | New Jersey |
| 75 | Anna Kiersling | 48 | Daughter in Law | — | Austria |
| 76 | George Kiersling | 21 | Grandson | Accountant | New Jersey |
| 77 | Marie Kiersling | 16 | Granddaughter | — | 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)