MD
Mary Donahue — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Mary Donahue across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1870), then head of a 3-person household.
Age 70
b. ~1870
Female
Head
Born: Ireland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Donahue |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Lawrence |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Lawrence |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Hannah Donahue | Daughter | — | 34 | ~1906 |
| Mary Donahue | Head | — | 70 | ~1870 |
| William Donahue | Son | — | 38 | ~1902 |
Census Appearances
1900
Middlesex, Massachusetts
Spouse, age 28
Middlesex, Massachusetts · implied b. ~1872 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | Margaret T |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | June |
| Birth Year | 1872 |
| Year of Immigration | 1890 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Middlesex, Massachusetts
Spouse, age 40
Middlesex, Massachusetts · implied b. ~1870 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 17 |
| Children Born | 5 |
| Children Living | 4 |
| Year of Immigration | 1890 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Middlesex, Massachusetts
Spouse, age 48
Middlesex, Massachusetts · implied b. ~1872 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1890 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1895 |
| Birthplace (normalized) | ireland |
1930
Middlesex, Massachusetts
Other, age 59
Middlesex, Massachusetts · implied b. ~1871 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | Margaret J. |
| Relationship to Head | Lodger |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Single |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1889 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Veteran | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Essex-County, Massachusetts
Head, age 70
Essex-County, Massachusetts · implied b. ~1870 — 3 household members
| Surname | Donahue |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Lawrence |
| 1935 Residence (County) | Essex |
| Highest Grade | No 0 |
| 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 Donahue across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Donahue
Head · 1940 · age 70 · b. ~1870 · Massachusetts
★ 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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01582-00608)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Donahue THIS PERSON | 70 | Head | — | Ireland |
| 42 | William Donahue | 38 | Son | Laborer | Massachusetts |
| 43 | Hannah Donahue | 34 | Daughter | School Teacher | Massachusetts |
| 45 | Ezra Baronian | 46 | Head | Manager | Massachusetts |
| 46 | Mildred Baronian | 42 | Wife | — | Massachusetts |
| 47 | David Baronian | 15 | Son | — | Massachusetts |
| 48 | Marjorie Baronian | 12 | Daughter | — | Massachusetts |
| 49 | Salem Goldenberg | 67 | Head | Storekeeper | Russia |
| 50 | Rosalia Goldenberg | 60 | Wife | Storekeeper | Russia |
| 51 | Anthony Digiovanni | 70 | Head | Retired | Italy |
| 52 | Marie Digiovanni | 65 | Wife | — | Italy |
| 53 | Rosario Digiovanni | 35 | Son | Proprietor Of Rest | Italy |
| 54 | Rosemary Digiovanni | 25 | Daughter | Bookkeeper | Massachusetts |
| 55 | Helen Digiovanni | 23 | Daughter | Bookkeeper | Massachusetts |
| 56 | Charles Pattavina | 26 | Son in law | Contractor | Connecticut |
| 57 | Sally Pattavina | 26 | Daughter | — | Massachusetts |
| 58 | Charles Jr. Pattavina | 2 | Grandson | — | Massachusetts |
| 59 | Louis Del Vacchio | 54 | Head | Clerk | Italy |
| 60 | Angelina Del Vacchio | 50 | Wife | Spinner | Italy |
| 61 | Connie Del Vacchio | 26 | Son | — | Massachusetts |
| 62 | Joseph Petralia | 34 | Son in law | Lawyer | Massachusetts |
| 63 | Ann Petralia | 30 | Daughter | — | Massachusetts |
| 64 | Joseph Mullen | 53 | Head | Weaver | Scotland |
| 65 | David Mullen | 42 | Brother | Rubber Worker | Scotland |
| 66 | Mary Mullen | 40 | Sister | Drawer | Scotland |
| 67 | William Mallea | 49 | Head | Educator Clerk | Massachusetts |
| 68 | Katherine Mallea | 51 | Sister | Secretary | Massachusetts |
| 69 | Henry Mallea | 44 | Brother | Laborer | Massachusetts |
| 70 | Joseph Butal | 20 | Head | — | Syria |
| 71 | Julia Butal | 52 | Wife | — | Syria |
| 72 | Alfred Hahnenstein | 29 | Head | Rubber Worker | Germany |
| 73 | Sophie Hahnenstein | 26 | Wife | — | Germany |
| 74 | Christa Hahnenstein | 1 | Daughter | — | Massachusetts |
| 75 | Maurice Doresky | 54 | Head | Co-Partner Chain | Russia |
| 76 | Lillian Doresky | 44 | Wife | — | Massachusetts |
| 77 | Claire Doresky | 19 | Daughter | — | Massachusetts |
| 78 | Ralph Doresky | 15 | Son | — | Massachusetts |
| 79 | Joseph Jordan | 59 | Head | Special Agent | Massachusetts |
| 80 | Gertrude Jordan | 55 | Wife | — | Massachusetts |
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)