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Mary Grady — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Worcester-County, Massachusetts
Our Model Tree links this Mary Grady across the 1930 and 1940 US Censuses in Worcester-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 7-person household.
Age 45
b. ~1895
Female
Spouse
Born: Irish Free State
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Worcester-County, Massachusetts |
| Surname | Grady |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Worcester |
| 1935 Residence (County) | Worcester |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birthplace (normalized) | irish free state |
| Est. Birth Year | ~1895 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Barbara Grady | Daughter | — | 8 | ~1932 |
| Jerimiah Grady | Head | — | 57 | ~1883 |
| Monica Grady | Daughter | — | 16 | ~1924 |
| Jerimiah Grady | Son | — | 18 | ~1922 |
| Mary Grady | Spouse | — | 45 | ~1895 |
| Mary Grady | Daughter | — | 20 | ~1920 |
| Catherine Grady | Daughter | — | 22 | ~1918 |
Census Appearances
1930
Worcester, Massachusetts
Spouse, age 37
Worcester, Massachusetts · implied b. ~1893 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grady |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| Naturalization Status | Naturalized |
| Year of Immigration | 1909 |
| Age at First Marriage | 24 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birthplace (normalized) | irish free state |
1940
Worcester-County, Massachusetts
Spouse, age 45
Worcester-County, Massachusetts · implied b. ~1895 — 7 household members
| Surname | Grady |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Worcester |
| 1935 Residence (County) | Worcester |
| Naturalization Status | Naturalized |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birthplace (normalized) | irish free state |
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 Grady across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Grady
Spouse · 1940 · age 45 · b. ~1895 · Massachusetts
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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 — Worcester-County, Massachusetts
Open full size
1940 US Federal Census — Worcester-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01716-00151)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gardner Keanard | 68 | Head | Bk. Keeper | Mass |
| 42 | Eldora Keanard | 68 | Wife | — | Mass |
| 43 | Elsie Nourse | 75 | Boarder | — | Mass |
| 44 | Max Wukner | 40 | Head | Mechanic | Germany |
| 45 | Wilmer Wukner | 37 | Wife | — | Germany |
| 46 | Frederick Wukner | 12 | Son | — | Penn |
| 47 | Paul Germaine | 24 | Head | Machinist | Mass |
| 48 | Mary Germaine | 22 | Wife | — | Mass |
| 49 | Paul Germaine | 2 | Son | — | Mass |
| 50 | Thomas Maccarthy | 44 | Head | Police Officer | Mass |
| 51 | Margaret Maccarthy | 42 | Wife | — | Mass |
| 52 | Robert Maccarthy | 19 | Son | — | Mass |
| 53 | Marguerite Maccarthy | 15 | Daughter | — | Mass |
| 54 | Annie Macdonald | 65 | Boarder | — | Irish Free State |
| 55 | Mary Maccarthy | 46 | Boarder | Clerk | Mass |
| 56 | Frances Kelley | 18 | Boarder | — | Mass |
| 57 | Gilbert Dubuque | 58 | Head | Truck Driver | N.Y. |
| 58 | Rose Dubuque | 49 | Wife | — | Mass |
| 59 | Lucille Dubuque | 19 | Daughter | Helper | Mass |
| 60 | Norman Dubuque | 26 | Son | Helper | Mass |
| 61 | Dora Dubuque | 25 | Daughter-in-law | — | Mass |
| 62 | Grandson Germaine | 4 | Grandson | — | Mass |
| 63 | Ronald Germaine | 2 | Grandson | — | Mass |
| 64 | Roger Germaine | 0 | Grandson | — | Mass |
| 65 | Jerimiah Grady | 57 | Head | Shipper | Irish Free State |
| 66 | Mary Grady THIS PERSON | 45 | Wife | — | Irish Free State |
| 67 | Catherine Grady | 22 | Daughter | — | Mass |
| 68 | Mary Grady | 20 | Daughter | — | Mass |
| 69 | Jerimiah Jr. Grady | 18 | Son | — | Mass |
| 70 | Monica Grady | 16 | Daughter | — | Mass |
| 71 | Barbara Grady | 8 | Daughter | — | Mass |
| 72 | Michael Mahoney | 46 | Head | Time Keeper | Mass |
| 73 | Julia Mahoney | 51 | Wife | — | Mass |
| 74 | Joseph Mahoney | 19 | Son | Clerk | Mass |
| 75 | Barbara Mahoney | 16 | Daughter | — | Mass |
| 76 | William Mahoney | 12 | Son | — | Mass |
| 77 | Francis Brodeur | 37 | Head | Stock Man | Mass |
| 78 | Almer Brodeur | 34 | Wife | — | Mass |
| 79 | Richard Brodeur | 8 | Son | — | Mass |
| 80 | Ronald Brodeur | 7 | Son | — | Mass |
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)