JG
John Grimes — 1940 US Census Record
Model Tree available1940 United States Federal Census · Strafford-County, New Hampshire
Our Model Tree links this John Grimes across the 1920, 1930 and 1940 US Censuses in Strafford-County, New Hampshire (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1911), then head of a 6-person household.
Age 29
b. ~1911
Male
Son
Born: New Hampshire
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Strafford-County, New Hampshire |
| Surname | Grimes |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Dover |
| 1935 Residence (County) | Strafford |
| Additional Details | |
| Occupation | Shipper |
| Industry | Cotton Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 770 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Occupation | Shipper |
| Township / Ward | Dover |
| Est. Birth Year | ~1911 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Helen Grimes | Daughter | — | 38 | ~1902 |
| Edward Grimes | Son | — | 29 | ~1911 |
| John Grimes | Head | — | 71 | ~1869 |
| John Grimes | Son | — | 29 | ~1911 |
| Margaret Grimes | Daughter | — | 39 | ~1901 |
| Margaret Grimes | Spouse | — | 68 | ~1872 |
Census Appearances
1920
Strafford, New …
Son, age 10
Strafford, New Hampshire · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grimes |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| 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
Strafford, New …
Son, age 20
Strafford, New Hampshire · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grimes |
| Given Name | John G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Cloth Hall |
| Industry | Cotton mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Strafford-County, New …
Son, age 29
Strafford-County, New Hampshire · implied b. ~1911 — 6 household members
| Surname | Grimes |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Dover |
| 1935 Residence (County) | Strafford |
| Occupation | Shipper |
| Industry | Cotton Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 770 |
| Highest Grade | Hs 4 |
| 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 John Grimes across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Grimes (~0.92 confidence) and father John Grimes (~0.92 confidence) and mother Margaret Grimes (~0.92 confidence) and mother Mary Grimes (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Grimes
b. ~1869
Source father
● Household
· direct · ~0.92
Father
John Grimes
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Margaret Grimes
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Mary Grimes
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Grimes
Son · 1940 · age 29 · b. ~1911 · New Hampshire
★ You are viewing this record
Sibling
Margaret Grimes
Sibling · 1940 · age 39
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Grimes
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Grimes
Sibling · 1940 · age 38
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 — Strafford-County, New Hampshire
Open full size
1940 US Federal Census — Strafford-County, New Hampshire
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02297-00219)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cathrine Jewell | 67 | Wife | — | Canada French |
| 2 | Agness Cook | 47 | Sister in law | Housekeeper | Canada French |
| 3 | Malcolm Cook | 26 | Nephew | Laborer | Maine |
| 4 | Sam Beynon | 51 | Roomer | Contractor | Armenia |
| 5 | Joseph Bordero | 55 | Head | Proprietor | Canada French |
| 6 | Mary Bordero | 42 | Wife | House Work | Eire |
| 7 | Theophilus Bordero | 57 | Brother | Proprietor | Canada French |
| 8 | John Grimes | 71 | Head | — | New Hampshire |
| 9 | Margaret Grimes | 68 | Wife | — | New Hampshire |
| 10 | Helen Grimes | 38 | Daughter | Bookkeeper | New Hampshire |
| 11 | Margaret Grimes | 39 | Daughter | Cashier | New Hampshire |
| 12 | John Grimes THIS PERSON | 29 | Son | Shipper | New Hampshire |
| 13 | Edward Grimes | 29 | Son | Machine Tender | New Hampshire |
| 14 | Thomas J. Shelly | 27 | Head | Proprietor | New Hampshire |
| 15 | Elna Shelly | 40 | Wife | — | Maine |
| 16 | Wilford E. Gervais | 45 | Head | Boss Fixer | Rhode Island |
| 17 | Anna Gervais | 47 | Wife | — | Canada French |
| 18 | Aime Gervais | 19 | Son | Spare Hand | New Hampshire |
| 19 | Irving Q. Whittaker | 62 | Head | Floor Man | New Hampshire |
| 20 | Ruth Whitley | 42 | Housekeeper | Housekeeper | Syria |
| 21 | Edgar Vermette | 39 | Head | Slasher | Canada French |
| 22 | Alma Vermette | 37 | Wife | Cutter | Canada French |
| 23 | George Jacques | 56 | Head | Proprietor | Canada French |
| 24 | Sofia Jacques | 48 | Wife | — | New Hampshire |
| 25 | Maurice Jacques | 25 | Son | Puller | New Hampshire |
| 26 | Gerard Jacques | 20 | Son | Bobbin Boy | New Hampshire |
| 27 | Beatrice Jacques | 17 | Daughter | — | New Hampshire |
| 28 | Gertrude Jacques | 14 | Daughter | — | New Hampshire |
| 29 | Martha Jacques | 7 | Daughter | — | New Hampshire |
| 30 | George Jacques | 19 | Son | Bench Worker | New Hampshire |
| 31 | Francis D. Files | 31 | Head | Shipper | Massachusetts |
| 32 | Gladys Files | 26 | Wife | — | Maine |
| 33 | Lorraine Files | 6 | Daughter | — | New Hampshire |
| 34 | Phylis Files | 5 | Daughter | — | New Hampshire |
| 35 | Francis Jr. Files | 4 | Son | — | New Hampshire |
| 36 | Shirley Files | 2 | Daughter | — | New Hampshire |
| 37 | Horace Welsh | 81 | Lodger | — | Maine |
| 38 | Owen Welsh | 25 | Lodger | — | Maine |
| 39 | George Welsh | 22 | Lodger | — | New Hampshire |
| 40 | John W. Morrill | 63 | Head | Loom Fixer | Massachusetts |
Related Census Records
Pedigree Summary
John + 3 siblings
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)