MC
Mary Conway — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Conway across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1875), then head of a 4-person household.
Age 65
b. ~1875
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Conway |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Boston City |
| Est. Birth Year | ~1875 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Patrick Conway | Head | — | 66 | ~1874 |
| Thomas Conway | Son | — | 31 | ~1909 |
| James Conway | Son | — | 35 | ~1905 |
| Mary Conway | Spouse | — | 65 | ~1875 |
Census Appearances
1920
Suffolk, Massachusetts
Spouse, age 46
Suffolk, Massachusetts · implied b. ~1874 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conway |
| Given Name | Margaret |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1890 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
Head, age 54
Suffolk, Massachusetts · implied b. ~1876 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conway |
| Given Name | Margaret J. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1890 |
| Age at First Marriage | 25 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Housekeeper |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 10.00 |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Suffolk-County, Massachusetts
Spouse, age 65
Suffolk-County, Massachusetts · implied b. ~1875 — 4 household members
| Surname | Conway |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| 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 Conway 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 Conway
Spouse · 1940 · age 65 · b. ~1875 · 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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01657-00322)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph Mierzykowski | 47 | Head | Loom Fixer | Poland |
| 42 | Mary Mierzykowski | 43 | Wife | — | Poland |
| 43 | Zdzislaw Mierzykowski | 22 | Son | Spindle Winder | Massachusetts |
| 44 | Kasmir Mierzykowski | 18 | Son | New Worker | Massachusetts |
| 45 | William H Olsen | 37 | Head | Teller | Massachusetts |
| 46 | Mary Olsen | 36 | Wife | — | Massachusetts |
| 47 | Ruth Olsen | 13 | Daughter | — | Massachusetts |
| 48 | Pauline Olsen | 11 | Daughter | — | Massachusetts |
| 49 | Richard Olsen | 6 | Son | — | Massachusetts |
| 50 | Donald Olsen | 2 | Son | — | Massachusetts |
| 51 | Patrick Conway | 66 | Head | Oiler | Ireland |
| 52 | Mary Conway THIS PERSON | 65 | Wife | — | Ireland |
| 53 | James Conway | 35 | Son | Shipper | Massachusetts |
| 54 | Thomas Conway | 31 | Son | Packer | Massachusetts |
| 55 | Mary Ahearn | 68 | Head | — | Massachusetts |
| 56 | Mary E Ahearn | 37 | Daughter | Operator | Massachusetts |
| 57 | Catherine E Ahearn | 29 | Daughter | Typist | Massachusetts |
| 58 | Margaret Campbell | 70 | Head | — | England |
| 59 | Anne Hodson | 51 | Daughter | Grinder | England |
| 60 | Anne Zavorson | 35 | Head | — | Massachusetts |
| 61 | John Zavorson | 37 | Brother | Test Man | Massachusetts |
| 62 | James O'Brien | 12 | Nephew | — | Massachusetts |
| 63 | William Gallagher | 26 | Head | — | Massachusetts |
| 64 | William J Gallagher | 38 | Son | Laborer | Massachusetts |
| 65 | Ethel Smith | 23 | Grand Daugh | Typist | Massachusetts |
| 66 | Catherine Smith | 39 | Daughter | — | Massachusetts |
| 67 | Florence M Haneberry | 45 | Head | — | Newfoundland |
| 68 | Edward Haneberry | 20 | Son | Machinist | Massachusetts |
| 69 | Madeline Haneberry | 18 | Daughter | Filler | Massachusetts |
| 70 | Florence Haneberry | 15 | Daughter | — | Massachusetts |
| 71 | Barbara Conroy | 60 | Head | — | Eire |
| 72 | Mary Conroy | 35 | Daughter | Clerk | Massachusetts |
| 73 | Joseph Conroy | 29 | Son | Stock-Broker | Massachusetts |
| 74 | Helen Conroy | 24 | Daughter | Clerk | Massachusetts |
| 75 | Burnette Conroy | 22 | Daughter | Secretary | Massachusetts |
| 76 | Robert Poleo | 35 | Head | Glazier | New York |
| 77 | Blanche Poleo | 32 | Wife | — | Massachusetts |
| 78 | Fred Altieri | 23 | Head | Truck-Driver | Massachusetts |
| 79 | Edith Altieri | 23 | Wife | — | Massachusetts |
| 80 | Louie Paducci | 21 | Head | — | Italy |
Related Census Records
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)