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John Martin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Grafton, New Hampshire
Our Model Tree links this John Martin across the 1900, 1910, 1920 and 1930 US Censuses in Grafton, New Hampshire (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 5-person household.
Age 56
b. ~1874
Male
Head
Born: New Hampshire
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Grafton, New Hampshire |
| Surname | Martin |
| Given Name | John D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Age at First Marriage | 20 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Additional Details | |
| Occupation | Foreman |
| Industry | Railway |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 1400 |
| Veteran | No |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Occupation | Foreman |
| Township / Ward | Bristol Town |
| Est. Birth Year | ~1874 |
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 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Sadie Martin | Daughter | — | 22 | ~1908 |
| Mildred Martin | Daughter | — | 14 | ~1916 |
| John Martin | Head | — | 56 | ~1874 |
| Chester Sturdevant | Other | — | 12 | ~1918 |
| Anna Martin | Spouse | — | 51 | ~1879 |
Census Appearances
1900
Grafton, New …
Head, age 26
Grafton, New Hampshire · implied b. ~1874 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | John H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Birth Month | May |
| Birth Year | 1874 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | R. R. Laborer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1910
Grafton, New …
Head, age 36
Grafton, New Hampshire · implied b. ~1874 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | John D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Years Married | 16 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Section Foreman |
| Industry | B & M Railroad |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1920
Grafton, New …
Head, age 46
Grafton, New Hampshire · implied b. ~1874 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | John B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Section Boss |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Grafton, New …
Head, age 56
Grafton, New Hampshire · implied b. ~1874 — 5 household members
| Surname | Martin |
| Given Name | John D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Age at First Marriage | 20 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Foreman |
| Industry | Railway |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 1400 |
| Veteran | No |
| 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 Martin across 4 US Census years (1900, 1910, 1920 and 1930) in Grafton, New Hampshire, using XGBoost record linkage.
Show:
This person
Anchor record
John Martin
Head · 1930 · age 56 · b. ~1874 · New Hampshire
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Grafton, New Hampshire
Open full size
1930 US Federal Census — Grafton, New Hampshire
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1300unit:0483)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bessie E Mickelsen | 18 | Lodger | Clerk | Massachusetts |
| 2 | Arthur W Chase | 46 | Head | Printer | Illinois |
| 3 | Marion H Chase | 47 | Wife | — | Vermont |
| 4 | John D Martin THIS PERSON | 56 | Head | Foreman | New Hampshire |
| 5 | Anna Martin | 51 | Wife | — | New Hampshire |
| 6 | Sadie E Martin | 22 | Daughter | — | New Hampshire |
| 7 | Mildred Martin | 14 | Daughter | — | New Hampshire |
| 8 | Chester Sturdevant | 12 | Nephew | — | New Hampshire |
| 9 | Daniel A Dickinson | 54 | Head | Carpenter | New Hampshire |
| 10 | Sadie Dickinson | 57 | Wife | — | Connecticut |
| 11 | Ai Carr | 22 | Head | Truck Driver | Massachusetts |
| 12 | Eleanora Carr | 33 | Wife | — | Massachusetts |
| 13 | Stella A Beede | 82 | Head | — | Vermont |
| 14 | Laura Mundy | 29 | Granddaughter | Weaver | New Hampshire |
| 15 | Frank Wells | 48 | Head | Manufacturer | New Hampshire |
| 16 | Ethel Wells | 35 | Wife | — | New Hampshire |
| 17 | Moses E Southard | 73 | Head | — | New Hampshire |
| 18 | Viola Kettridge | 44 | Lodger | Mull Hand | New Hampshire |
| 19 | John E Bennett | 53 | Lodger | Laborer | New Hampshire |
| 20 | Harvey E Mosher | 50 | Head | Laborer | New Hampshire |
| 21 | Belle K Mosher | 60 | Wife | — | New Hampshire |
| 22 | Charles A George | 63 | Head | Laborer | New Hampshire |
| 23 | Almira Hutchins | 91 | Head | — | New Hampshire |
| 24 | Emma Mendall | 63 | Servant | Housekeeper | New Hampshire |
| 25 | Mary D Musgrove | 54 | Head | Editor | New Hampshire |
| 26 | William H Tingston | 36 | Head | Truck Driver | Massachusetts |
| 27 | Gladys M Tingston | 31 | Wife | — | Maine |
| 28 | Karl G Davis | 62 | Head | Merchant | New Hampshire |
| 29 | Bella Davis | 60 | Wife | — | New Hampshire |
| 30 | Morton G Davis | 26 | Son | Clerk | New Hampshire |
| 31 | Charles W Shepard | 31 | Son in law | Secretary | Massachusetts |
| 32 | Hortense Shepard | 32 | Daughter | — | New Hampshire |
| 33 | Charles R Rounds | 65 | Head | Cabinet Maker | Maine |
| 34 | Catherine B Rounds | 64 | Wife | — | New Hampshire |
| 35 | Harriet G Crawford | 72 | Head | — | New Hampshire |
| 36 | Charles E Jeffery | 73 | Head | — | Massachusetts |
| 37 | Abbie M Jeffery | 69 | Wife | — | New Hampshire |
| 38 | Albert C Phipps | 59 | Head | Clerk | New Hampshire |
| 39 | Emma B Phipps | 63 | Wife | — | New Hampshire |
| 40 | Amos A Blake | 61 | Head | Merchant | New Hampshire |
| 41 | Sarah A Blake | 59 | Wife | — | New Hampshire |
| 42 | James B Treadstone | 53 | Head | Merchant | Prince Edward Island |
| 43 | Wife Helen D | 36 | — | Merchant | New Hampshire |
| 44 | Ansel G Dolloff | 59 | Father | Trackman | New Hampshire |
| 45 | Blanche C Dolloff | 67 | Mother in law | — | New Hampshire |
| 46 | James B Davis | 59 | Head | Laborer | Maine |
| 47 | Nellie T Davis | 68 | Wife | — | Maine |
| 48 | Robert E Sewell | 47 | Boarder | Line Man | Maine |
| 49 | Gideon J Tilman | 61 | Head | Baker | Canada French |
| 50 | Rincella Tilman | 46 | Wife | — | Canada French |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)