JB
John Blake — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Rockingham, New Hampshire
Our Model Tree links this John Blake across the 1900, 1910, 1920 and 1930 US Censuses in Rockingham, New Hampshire (XGBoost, ~Confirmed) — first a head (b.~1859), then head of a 2-person household.
Age 71
b. ~1859
Male
Head
Born: New Hampshire
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Rockingham, New Hampshire |
| Surname | Blake |
| Given Name | John C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Additional Details | |
| Occupation | Farmer |
| Industry | Own farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Radio Set | R |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Occupation | Farmer |
| Township / Ward | Hampton Town |
| Est. Birth Year | ~1859 |
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.
2 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Blake | Head | — | 71 | ~1859 |
| Ella Blake | Daughter | — | 49 | ~1881 |
Census Appearances
1900
Rockingham, New …
Head, age 37
Rockingham, New Hampshire · implied b. ~1863 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blake |
| Given Name | John L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Birth Month | May |
| Birth Year | 1863 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Farmer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1910
Rockingham, New …
Head, age 47
Rockingham, New Hampshire · implied b. ~1863 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blake |
| Given Name | John P |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Years Married | 25 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Farmer |
| Industry | Gen. farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1920
Rockingham, New …
Head, age 61
Rockingham, New Hampshire · implied b. ~1859 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blake |
| Given Name | John C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Rockingham, New …
Head, age 71
Rockingham, New Hampshire · implied b. ~1859 — 2 household members
| Surname | Blake |
| Given Name | John C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Farmer |
| Industry | Own farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Radio Set | R |
| 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 Blake across 4 US Census years (1900, 1910, 1920 and 1930) in Rockingham, New Hampshire, using XGBoost record linkage.
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This person
Anchor record
John Blake
Head · 1930 · age 71 · b. ~1859 · 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 — Rockingham, New Hampshire
Open full size
1930 US Federal Census — Rockingham, New Hampshire
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1305unit:0600)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | David Hamilton | 57 | Head | Bookkeeper | North Ireland |
| 52 | Bessie L Hamilton | 43 | Wife | — | Massachusetts |
| 53 | David M Hamilton | 18 | Son | — | Massachusetts |
| 54 | Arthur W Hamilton | 16 | Son | — | Massachusetts |
| 55 | William J Hamilton | 10 | Son | — | Massachusetts |
| 56 | Myra S Hamilton | 8 | Daughter | — | New Hampshire |
| 57 | Arthur C Ford | 33 | Boarder | Laborer | New Hampshire |
| 58 | William T Keene | 62 | Head | Farmer | Massachusetts |
| 59 | Mary D Keene | 59 | Wife | — | New Hampshire |
| 60 | Mabel J Keene | 85 | Sister | — | Massachusetts |
| 61 | Francis E Dennett | 35 | Head | Contractor | New Hampshire |
| 62 | Eva B Dennett | 37 | Wife | — | New Hampshire |
| 63 | Virginia F Dennett | 12 | Daughter | — | New Hampshire |
| 64 | Vernon B Dennett | 11 | Son | — | New Hampshire |
| 65 | Nelson A Dennett | 1 | Son | — | New Hampshire |
| 66 | William T Ross | 66 | Head | Engineer | Maine |
| 67 | Frank Newton | 15 | Lodger | Chore Boy | New Hampshire |
| 68 | Marcella T Brown | 58 | Head | — | New Hampshire |
| 69 | Elizabeth S Brown | 17 | Daughter | — | New Hampshire |
| 70 | Howard R Taylor | 38 | Manager | Manager | Nova Scotia |
| 71 | Grace W Macdonald | 16 | Boarder | — | Massachusetts |
| 72 | Arline M Schapleigh | 11 | Boarder | — | Connecticut |
| 73 | Charles E Weare | 73 | Head | Carpenter (Retired) | New Hampshire |
| 74 | Fannie Hermann | 71 | Housekeeper | — | Maine |
| 75 | Frank H Higgins | 44 | Head | Retail Dealer | New York |
| 76 | Mamie R Higgins | 39 | Wife | — | New Hampshire |
| 77 | Ruby W Higgins | 17 | Son | — | New York |
| 78 | Victor A Higgins | 15 | Son | — | New Hampshire |
| 79 | Wayne H Higgins | 13 | Son | — | New York |
| 80 | John C Blake THIS PERSON | 71 | Head | Farmer | New Hampshire |
| 81 | Ella C Blake | 49 | Daughter | — | New Hampshire |
| 82 | Harvey Nocker | 58 | Head | Laborer | Maine |
| 83 | Ivan R Nocker | 52 | Brother | Laborer | Maine |
| 84 | Elmer G Lane | 55 | Head | Carpenter | New Hampshire |
| 85 | Belle K Lane | 50 | Wife | — | Massachusetts |
| 86 | John E Taylor | 63 | Head | Raiser | Newfoundland |
| 87 | Hannah E Taylor | 60 | Wife | — | Nova Scotia |
| 88 | Benjamin A Blake | 58 | Head | Farmer | New Hampshire |
| 89 | Mabel J Blake | 55 | Wife | — | New Hampshire |
| 90 | George A Blake | 75 | Father | — | New Hampshire |
| 91 | Nik Waschuhowski | 75 | Head | Wheelwright | Poland |
| 92 | Charles F Blake | 48 | Head | Fisherman | New Hampshire |
| 93 | Mary J Blake | 39 | Wife | — | Massachusetts |
| 94 | Arthur B Blake | 86 | Head | Farmer (Retired) | New Hampshire |
| 95 | Joseph A Blake | 58 | Son | Painter | New Hampshire |
| 96 | Elizabeth Blake | 58 | Daughter-in-law | — | Massachusetts |
| 97 | Benjamin F Blake | 75 | Head | Laborer | New Hampshire |
| 98 | Milton A Blake | 32 | Head | Painter | New Hampshire |
| 99 | Gladys B Blake | 33 | Wife | — | Massachusetts |
| 100 | Barbara Blake | 7 | Daughter | — | Massachusetts |
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)