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Mary Fitzpatrick — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Plymouth-County, Massachusetts
Our Model Tree links this Mary Fitzpatrick across the 1920, 1930 and 1940 US Censuses in Plymouth-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1889), then head of a 5-person household.
Age 51
b. ~1889
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Plymouth-County, Massachusetts |
| Surname | Fitzpatrick |
| Given Name | Mary M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Brockton City |
| 1935 Residence (County) | Plymouth |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Brockton City |
| Est. Birth Year | ~1889 |
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 |
|---|---|---|---|---|
| Mary Fitzpatrick | Daughter | — | 22 | ~1918 |
| Ann Fitzpatrick | Daughter | — | 21 | ~1919 |
| Kathleen Fitzpatrick | Daughter | — | 18 | ~1922 |
| Thomas Fitzpatrick | Head | — | 48 | ~1892 |
| Mary Fitzpatrick | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Plymouth, Massachusetts
Spouse, age 30
Plymouth, Massachusetts · implied b. ~1890 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzpatrick |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Plymouth, Massachusetts
Spouse, age 41
Plymouth, Massachusetts · implied b. ~1889 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzpatrick |
| Given Name | Mary M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 27 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Plymouth-County, Massachusetts
Spouse, age 51
Plymouth-County, Massachusetts · implied b. ~1889 — 5 household members
| Surname | Fitzpatrick |
| Given Name | Mary M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Brockton City |
| 1935 Residence (County) | Plymouth |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Fitzpatrick across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Fitzpatrick
Spouse · 1940 · age 51 · b. ~1889 · 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 — Plymouth-County, Massachusetts
Open full size
1940 US Federal Census — Plymouth-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01635-00620)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Amy M Wade | 45 | Head | Secretary | Massachusetts |
| 42 | Livermore Mary E Wade | 82 | Aunt | — | Massachusetts |
| 43 | Thayer Adie E Wade | 65 | Housekeeper | Housekeeper | Massachusetts |
| 44 | Ernest White | 80 | Head | — | Maine |
| 45 | Helen A White | 59 | Wife | Masseuse | Canada-English |
| 46 | Susan F Hunt | 72 | Head | — | Massachusetts |
| 47 | Fred Turner | 52 | Head | Foreman | England |
| 48 | Lilly Turner | 50 | Wife | — | England |
| 49 | Clarabell C Boles | 50 | Head | — | New York |
| 50 | Janette E Boles | 22 | Daughter | Practician Optometrist | Massachusetts |
| 51 | Raymond C Lake | 50 | Head | Music Teacher | Massachusetts |
| 52 | Edith M Lake | 50 | Wife | — | Massachusetts |
| 53 | Shirley E Lake | 23 | Daughter | Typewriter Assistant Clerk | Massachusetts |
| 54 | Archibald S Williams | 49 | Head | Manager | Massachusetts |
| 55 | Grace A Williams | 47 | Wife | — | Maine |
| 56 | William R Williams | 18 | Son | Helper | Massachusetts |
| 57 | Elizabeth A Williams | 12 | Daughter | — | Massachusetts |
| 58 | Percy A Littlefield | 50 | Head | Carpenter | Maine |
| 59 | Mary A Littlefield | 48 | Wife | — | Massachusetts |
| 60 | Rosella A Littlefield | 17 | Daughter | — | Massachusetts |
| 61 | Grace A James | 64 | Head | Musician | Massachusetts |
| 62 | Gladys Dearing | 59 | Sister | — | Massachusetts |
| 63 | Emma Frye | 70 | Head | — | Massachusetts |
| 64 | John E Manning | 56 | Head | Manager Of Fitting Room | Massachusetts |
| 65 | Camelia E Manning | 42 | Wife | — | Massachusetts |
| 66 | John C Manning | 3 | Son | — | Massachusetts |
| 67 | Walter B Hall | 75 | Head | Cab Driver | Massachusetts |
| 68 | Nettie Hall | 75 | Wife | — | Maine |
| 69 | Thomas J Fitzpatrick | 48 | Head | Police Lieutenant | Irish Free State |
| 70 | Mary M Fitzpatrick THIS PERSON | 51 | Wife | — | Massachusetts |
| 71 | Mary R Fitzpatrick | 22 | Daughter | Office Clerk | Massachusetts |
| 72 | Ann E Fitzpatrick | 21 | Daughter | Secretary | Massachusetts |
| 73 | Kathleen Fitzpatrick | 18 | Daughter | — | Massachusetts |
| 74 | Harold H Brown | 44 | Head | Mail Carrier | Massachusetts |
| 75 | Eva C Brown | 42 | Wife | — | England |
| 76 | Ruth F Brown | 17 | Daughter | — | Massachusetts |
| 77 | Walter B Howard | 66 | Head | Edge Setter | New Hampshire |
| 78 | Edith R Howard | 60 | Wife | — | New Hampshire |
| 79 | Alice Rogers | 55 | Sister-in-law | — | New Hampshire |
| 80 | — | None | — | — | — |
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)