MH
Mary Harvey — 1940 US Census Record
Model Tree available1940 United States Federal Census · Belknap-County, New Hampshire
Our Model Tree links this Mary Harvey across the 1920, 1930 and 1940 US Censuses in Belknap-County, New Hampshire (XGBoost, ~Confirmed), with identified parents Clinton & Della — first a daughter (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Female
Daughter
Born: New Hampshire
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Belknap-County, New Hampshire |
| Surname | Harvey |
| Given Name | Mary J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| 1935 Residence (City) | New Hampton Village |
| 1935 Residence (County) | Belknap |
| Additional Details | |
| Occupation | typist |
| Industry | clerical |
| Class of Worker | PW |
| Hours Worked | 39 |
| Income (1939) | 125 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Occupation | Typist |
| Township / Ward | New Hampton Village |
| Est. Birth Year | ~1917 |
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 |
|---|---|---|---|---|
| Ruth Harvey | Daughter | — | 18 | ~1922 |
| Mary Harvey | Daughter | — | 23 | ~1917 |
| Vernon Harvey | Head | — | 53 | ~1887 |
| Della Harvey | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Belknap, New …
Daughter, age 2
Belknap, New Hampshire · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harvey |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Belknap, New …
Daughter, age 13
Belknap, New Hampshire · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harvey |
| Given Name | Mary L |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Belknap-County, New …
Daughter, age 23
Belknap-County, New Hampshire · implied b. ~1917 — 4 household members
| Surname | Harvey |
| Given Name | Mary J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| 1935 Residence (City) | New Hampton Village |
| 1935 Residence (County) | Belknap |
| Occupation | typist |
| Industry | clerical |
| Class of Worker | PW |
| Hours Worked | 39 |
| Income (1939) | 125 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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. Identified parents: father Clinton Harvey (~0.92 confidence) and mother Della Harvey (~0.92 confidence) and father Vernon Harvey (~0.92 confidence) and mother Della Harvey (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Clinton Harvey
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Della Harvey
b. ~1871
Source mother
● Household
· direct · ~0.92
Father
Vernon Harvey
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Della Harvey
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Harvey
Daughter · 1940 · age 23 · b. ~1917 · New Hampshire
★ You are viewing this record
Sibling
Ruth Harvey
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Belknap-County, New Hampshire
Open full size
1940 US Federal Census — Belknap-County, New Hampshire
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02283-00648)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert A Morrissey | 12 | Step-son | — | Massachusetts |
| 42 | Clinton E Wallace | 32 | Head | Fireman | New Hampshire |
| 43 | Vera L Wallace | 29 | Wife | — | New Hampshire |
| 44 | Eddie C Wallace | 7 | Son | — | New Hampshire |
| 45 | Gene R Wallace | 6 | Son | — | New Hampshire |
| 46 | William J Wallace | 30 | Head | Janitor | New Hampshire |
| 47 | Lucille M Wallace | 24 | Wife | — | New Hampshire |
| 48 | Clarence E Bickford | 34 | Head | Half Owner | New Hampshire |
| 49 | Anne W Bickford | 24 | Wife | — | Arkansas |
| 50 | Marianne Bickford | 2 | Daughter | — | New Hampshire |
| 51 | Candace L Batt | 58 | Head | — | New Hampshire |
| 52 | Vernon C Harvey | 53 | Head | Laborer | New Hampshire |
| 53 | Della B Harvey | 49 | Wife | — | New Hampshire |
| 54 | Mary J Harvey THIS PERSON | 23 | Daughter | Typist | New Hampshire |
| 55 | Ruth E Harvey | 18 | Daughter | — | New Hampshire |
| 56 | James E Vohr | 32 | Head | Chauffeur | Pennsylvania |
| 57 | Anna J Vohr | 27 | Wife | — | Maryland |
| 58 | John H Vohr | 4 | Son | — | New Hampshire |
| 59 | James C Vohr | 3 | Son | — | New Hampshire |
| 60 | Arthur B Kenney | 51 | Head | Laborer | New Hampshire |
| 61 | Etta M Kenney | 44 | Wife | — | New Hampshire |
| 62 | Chester A Kenney | 23 | Son | Laborer | New Hampshire |
| 63 | Abbie A Kenney | 79 | Mother | — | New Hampshire |
| 64 | Frank R Seaver | 32 | Head | Laborer | New Hampshire |
| 65 | Dorothea M Seaver | 29 | Wife | — | New Hampshire |
| 66 | Rebecca A Seaver | 5 | Daughter | — | New Hampshire |
| 67 | Eva R Seaver | 62 | Mother | — | New Hampshire |
| 68 | Daniel G Gordon | 39 | Head | Laborer | New Hampshire |
| 69 | Priscilla Gordon | 10 | Daughter | — | New Hampshire |
| 70 | Thomas K Gordon | 5 | Son | — | New Hampshire |
| 71 | Reba M Gordon | 1 | Daughter | — | New Hampshire |
| 72 | Ruth M Kidder | 23 | Step-daughter | — | New Hampshire |
| 73 | Mary E Stevens | 15 | Step-daughter | — | New Hampshire |
| 74 | Hazel I Gordon | 41 | Wife | — | New Hampshire |
| 75 | Bert E Glines | 48 | Head | Postmaster | New Hampshire |
| 76 | Bernice M Glines | 50 | Wife | — | New Hampshire |
| 77 | John W Foggy | 62 | Head | Laborer | New Hampshire |
| 78 | Mary K Foggy | 57 | Wife | — | New Hampshire |
| 79 | Winifred Clark | 57 | Housekeeper | Housekeeper | New Hampshire |
| 80 | James H Stockbridge | 60 | Head | Plumber | New York |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)