MH
Mary Harvey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Mary Harvey across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1865), then head of a 6-person household.
Age 75
b. ~1865
Female
Head
Born: Massachusetts
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Harvey |
| Given Name | Mary J. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 75 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Haverhill City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Haverhill City |
| Est. Birth Year | ~1865 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Katherine Harvey | Daughter | — | 45 | ~1895 |
| Helen Conners | Daughter | — | 44 | ~1896 |
| Mary Harvey | Head | — | 75 | ~1865 |
| Francis Conners | Other | — | 15 | ~1925 |
| Francis Conners | Other | — | 43 | ~1897 |
| James Harvey | Son | — | 41 | ~1899 |
Census Appearances
1920
Essex, Massachusetts
Spouse, age 56
Essex, Massachusetts · implied b. ~1864 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harvey |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| 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
Essex, Massachusetts
Spouse, age 65
Essex, Massachusetts · implied b. ~1865 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harvey |
| Given Name | Martha H. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 22 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Head, age 75
Essex-County, Massachusetts · implied b. ~1865 — 6 household members
| Surname | Harvey |
| Given Name | Mary J. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 75 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Haverhill City |
| 1935 Residence (County) | Essex |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| 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 Harvey across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Harvey
Head · 1940 · age 75 · b. ~1865 · 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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01580-00226)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Peter Anastos | 13 | Son | — | Massachusetts |
| 42 | Helen Anastos | 10 | Daughter | — | Massachusetts |
| 43 | Steve Anastos | 7 | Son | — | Massachusetts |
| 44 | Chris G. Cantavas | 43 | Head | Block Cutter | Greece |
| 45 | Julia Cantavas | 36 | Wife | Fancy Stitcher | Greece |
| 46 | Pauline Cantavas | 11 | Daughter | — | Massachusetts |
| 47 | Ralph Finnigan | 24 | Head | Lining Out | Massachusetts |
| 48 | Lillian E. Finnigan | 22 | Wife | — | Canada |
| 49 | Ralph Jr. Finnigan | 3 | Son | — | Massachusetts |
| 50 | Angelo D. Maularas | 50 | Head | Block Cutter | Greece |
| 51 | John W. Finnigan | 42 | Head | Driver | Massachusetts |
| 52 | Grace Finnigan | 43 | Wife | Sample Maker | Massachusetts |
| 53 | Ruthie Finnigan | 15 | Daughter | — | Massachusetts |
| 54 | Helen Finnigan | 11 | Daughter | — | Massachusetts |
| 55 | Mary A. Hallisey | 78 | Head | — | England |
| 56 | Mary J. Harvey THIS PERSON | 75 | Head | — | Massachusetts |
| 57 | Katherine Harvey | 45 | Daughter | Floor Lady | Massachusetts |
| 58 | James Harvey | 41 | Son | Outside Cutter | Massachusetts |
| 59 | Francis Conners | 43 | Son in law | Hat Finisher | Massachusetts |
| 60 | Helen Conners | 44 | Daughter | Bookkeeper | Massachusetts |
| 61 | Francis Jr. Conners | 15 | Grandson | — | Massachusetts |
| 62 | Harold E. Braley | 26 | Head | Stock Fitter | Massachusetts |
| 63 | Dorothy Marie Braley | 25 | Wife | — | Massachusetts |
| 64 | Donald Braley | 2 | Son | — | Massachusetts |
| 65 | Robert Braley | 1 | Son | — | Massachusetts |
| 66 | Mae A. Lake | 7 | Head | — | Massachusetts |
| 67 | William H. Rogers | 63 | Head | Laborer | Massachusetts |
| 68 | Margaret Rogers | 17 | Daughter | New Worker | Massachusetts |
| 69 | Dorothy Rogers | 14 | Daughter | — | Massachusetts |
| 70 | Walter Jones | 26 | Head | Laborer | Massachusetts |
| 71 | Gladys M. Jones | 25 | Wife | — | Massachusetts |
| 72 | Shirley Jones | 5 | Daughter | — | Massachusetts |
| 73 | Ronald Jones | 3 | Son | — | Massachusetts |
| 74 | Silman Carmier | 39 | Head | Top Lift Cutter | Massachusetts |
| 75 | Julia Carmier | 39 | Wife | — | Massachusetts |
| 76 | Natalie Carmier | 16 | Daughter | — | Massachusetts |
| 77 | Francis Carmier | 13 | Son | — | Massachusetts |
| 78 | Silman Jr. Carmier | 10 | Son | — | Massachusetts |
| 79 | Edward Carmier | 8 | Son | — | Massachusetts |
| 80 | Ann Carmier | 4 | Daughter | — | 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)