MC
Mary Connor — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Connor across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 7-person household.
Age 48
b. ~1892
Female
Spouse
Born: Connecticut
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Connor |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Connecticut |
| 1935 Residence (City) | Some Place |
| 1935 Residence (County) | Some Place |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Connecticut |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
| Township / Ward | Boston |
| Est. Birth Year | ~1892 |
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 |
|---|---|---|---|---|
| Frances Connor | Daughter | — | 25 | ~1915 |
| Mary Connor | Daughter | — | 22 | ~1918 |
| Stephen Connor | Head | — | 50 | ~1890 |
| Paul Connor | Son | — | 15 | ~1925 |
| Raymond Connor | Son | — | 20 | ~1920 |
| Jr Connor | Son | — | 22 | ~1918 |
| Mary Connor | Spouse | — | 48 | ~1892 |
Census Appearances
1930
Suffolk, Massachusetts
Spouse, age 40
Suffolk, Massachusetts · implied b. ~1890 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conner |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Connecticut |
| Age at First Marriage | 21 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Homemaker |
| Can Read/Write | Yes |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1940
Suffolk-County, Massachusetts
Spouse, age 48
Suffolk-County, Massachusetts · implied b. ~1892 — 7 household members
| Surname | Connor |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Connecticut |
| 1935 Residence (City) | Some Place |
| 1935 Residence (County) | Some Place |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Connecticut |
| 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 Connor across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Connor
Spouse · 1940 · age 48 · b. ~1892 · 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-t0627-01665-00681)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alice Duncan | 48 | Wife | — | Massachusetts |
| 42 | Jeanie Duncan | 24 | Daughter | Stenographer | Massachusetts |
| 43 | Thomas Duncan | 21 | Son | — | Massachusetts |
| 44 | William Duncan | 19 | Son | New Worker | Massachusetts |
| 45 | Jr. Neall Duncan | 17 | Son | — | Massachusetts |
| 46 | Sarah A Donovan | 71 | Mother in Law | — | Massachusetts |
| 47 | Stephen Connor | 50 | Head | Salesman | Connecticut |
| 48 | Mary A Connor THIS PERSON | 48 | Wife | — | Connecticut |
| 49 | Mary A Connor | 22 | Daughter | Operator | Connecticut |
| 50 | Frances Connor | 25 | Daughter | Clerk | Connecticut |
| 51 | Jr. Stephen Connor | 22 | Son | Salesman | Massachusetts |
| 52 | Raymond Connor | 20 | Son | Cake Cutter | Massachusetts |
| 53 | Paul Connor | 15 | Son | — | Massachusetts |
| 54 | Harold F Crotty | 38 | Head | Electrical Engineer | Massachusetts |
| 55 | Catherine F Crotty | 28 | Wife | Registered Nurse | Massachusetts |
| 56 | Mary E Mansfield | 75 | Aunt | — | Massachusetts |
| 57 | Mary Comer | 59 | Head | — | Massachusetts |
| 58 | Gertrude Comer | 24 | Daughter | Clerk | Massachusetts |
| 59 | Josephine T Casey | 49 | Lodger | Gold Layer | Massachusetts |
| 60 | Arthur Collins | 20 | Lodger | Shipper | Massachusetts |
| 61 | John E Harrington | 26 | Head | — | Massachusetts |
| 62 | Daniel J Harrington | 24 | Brother | — | Massachusetts |
| 63 | Helen R Harrington | 19 | Sister | — | Massachusetts |
| 64 | Thomas Harrington | 15 | Brother | — | Florida |
| 65 | Alicia X Meagher | 73 | Head | — | Massachusetts |
| 66 | Alison Ronald | 63 | Head | Bookkeeper | Massachusetts |
| 67 | Jeanie L Ronald | 57 | Sister | Bookkeeper | Massachusetts |
| 68 | Frances B Rice | 75 | Head | — | Massachusetts |
| 69 | Maria B Murray | 77 | Head | — | Eire |
| 70 | Anna Haley | 65 | Partner | — | Massachusetts |
| 71 | Thomas Rice | 38 | Head | Fish | Massachusetts |
| 72 | Catherine E Rice | 38 | Wife | — | Massachusetts |
| 73 | Barbara Rice | 6 | Daughter | — | Massachusetts |
| 74 | Jr. Thomas Rice | 2 | Son | — | Massachusetts |
| 75 | John Mcisaac | 17 | Nephew | — | Massachusetts |
| 76 | Andrew Killion | 70 | Head | — | Massachusetts |
| 77 | Jane B Killion | 68 | Wife | — | Canada English |
| 78 | Ethel Ab Mcleod | 52 | Niece | Practical Nurse | Massachusetts |
| 79 | Henry A Barry | 49 | Head | Paymaster | Massachusetts |
| 80 | Sara Barry | 49 | Wife | — | New York |
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)