JG
John Gilbert — 1940 US Census Record
Model Tree available1940 United States Federal Census · Grafton-County, New Hampshire
Our Model Tree links this John Gilbert across the 1920, 1930 and 1940 US Censuses in Grafton-County, New Hampshire (XGBoost, ~Confirmed), with identified parents Oscar & Marion — first a son (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Male
Son
Born: Rhode Island
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Grafton-County, New Hampshire |
| Surname | Gilbert |
| Given Name | John Ellis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Hanover |
| 1935 Residence (County) | Grafton |
| Additional Details | |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Township / Ward | Hanover |
| Est. Birth Year | ~1914 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Marion Gilbert | Daughter | — | 21 | ~1919 |
| Marion Gilbert | Head | — | 56 | ~1884 |
| Mina Robinson | Other | — | 45 | ~1895 |
| John Gilbert | Son | — | 26 | ~1914 |
Census Appearances
1920
Grafton, New …
Son, age 7
Grafton, New Hampshire · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gilbert |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Rhode Island |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1930
Grafton, New …
Son, age 17
Grafton, New Hampshire · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gilbert |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Rhode Island |
| Can Read/Write | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1940
Grafton-County, New …
Son, age 26
Grafton-County, New Hampshire · implied b. ~1914 — 4 household members
| Surname | Gilbert |
| Given Name | John Ellis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Hanover |
| 1935 Residence (County) | Grafton |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
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 John Gilbert across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Oscar Gilbert (~0.92 confidence) and mother Marion Gilbert (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Oscar Gilbert
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Marion Gilbert
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Gilbert
Son · 1940 · age 26 · b. ~1914 · New Hampshire
★ You are viewing this record
Sibling
Marion Gilbert
Sibling · 1940 · age 21
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 — Grafton-County, New Hampshire
Open full size
1940 US Federal Census — Grafton-County, New Hampshire
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02286-00454)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph Howard | 58 | Cook | Chef | Massachusetts |
| 42 | Alice Howard | 67 | Wife of cook | — | Vermont |
| 43 | Guy Allen Pickard | 48 | Head | Instructor | Maine |
| 44 | Caroline Pickard | 46 | Wife | — | New York |
| 45 | Allen Pickard | 18 | Son | — | Connecticut |
| 46 | Marion Gilbert | 56 | Head | — | Rhode Island |
| 47 | John Ellis Gilbert THIS PERSON | 26 | Son | — | Rhode Island |
| 48 | Marion Louise Gilbert | 21 | Daughter | — | Rhode Island |
| 49 | Mina B. Robinson | 45 | Lodger | Trained Nurse | Canada E |
| 50 | E. Gordon Bill | 55 | Head | — | Canada E |
| 51 | Lucy E. Bill | 55 | Wife | — | Canada E |
| 52 | John Bill | 15 | Son | — | New Hampshire |
| 53 | Clover Johnson | 32 | Servant | Maid | Vermont |
| 54 | James W. Goldthwaite | 60 | Head | — | Massachusetts |
| 55 | Edith R. Goldthwaite | 60 | Wife | — | Massachusetts |
| 56 | John H. Gerould | 71 | Head | — | New Hampshire |
| 57 | Ada Gerould | 67 | Wife | — | Illinois |
| 58 | William Ballard | 34 | Head | Asst Professor | Massachusetts |
| 59 | Helen E. Ballard | 27 | Wife | — | Vermont |
| 60 | Nancy Ballard | 12 | Daughter | — | New Hampshire |
| 61 | Nathaniel Goodrich | 60 | Head | Director | New Hampshire |
| 62 | Alice Goodrich | 63 | Wife | — | New York |
| 63 | Erville B. Woods | 61 | Head | Professor | Massachusetts |
| 64 | Lilla S. Woods | 67 | Wife | — | Wisconsin |
| 65 | Ethel M. Pike | 21 | Servant | Maid | New Hampshire |
| 66 | Nathaniel Burleigh | 50 | Head | — | New Hampshire |
| 67 | Theodora Burleigh | 51 | Wife | — | New Hampshire |
| 68 | Barbara Burleigh | 23 | Daughter | — | Connecticut |
| 69 | William Young | 30 | Head | Distributor | New York |
| 70 | Gertrude Young | 38 | Wife | — | New York |
| 71 | Margie G. Young | 18 | Daughter | — | New York |
| 72 | Maude Gagnon | 36 | Servant | Maid | B. W. I. |
| 73 | Jane Kilborne | 57 | Head | Interior Decorator | Massachusetts |
| 74 | Dorothy Pike | 25 | Servant | — | New Hampshire |
| 75 | John M. Mecklin | 67 | Head | — | Mississippi |
| 76 | Hope H. Mecklin | 54 | Wife | — | Rhode Island |
| 77 | Mary H. Mecklin | 18 | Daughter | — | New Hampshire |
| 78 | Judith A. King | 23 | Servant | — | Vermont |
| 79 | John B. Mckenna | 36 | Head | — | Rhode Island |
| 80 | Helen V. Mckenna | 39 | Wife | — | Massachusetts |
Pedigree Summary
John + 1 sibling
Gen 1 · 2 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)