JN
John Nicholson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Northumberland-County, Pennsylvania
Our Model Tree links this John Nicholson across the 1920, 1930 and 1940 US Censuses in Northumberland-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1867), then head of a 5-person household.
Age 73
b. ~1867
Male
Head
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Northumberland-County, Pennsylvania |
| Surname | Nicholson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | West Cameron Township |
| 1935 Residence (County) | Northumberland |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Same House |
| Birth Country | England |
| Birthplace (normalized) | england |
| Township / Ward | West Cameron Township |
| Est. Birth Year | ~1867 |
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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Nicholson | Son | — | 37 | ~1903 |
| Betty Nicholson | Daughter | — | 8 | ~1932 |
| Ada Nicholson | Daughter | — | 33 | ~1907 |
| Gilbert Nicholson | Son | — | 27 | ~1913 |
| John Nicholson | Head | — | 73 | ~1867 |
Census Appearances
1920
Northumberland, Pennsylvania
Head, age 52
Northumberland, Pennsylvania · implied b. ~1868 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nicholson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1877 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Miner |
| Industry | Coal Mine |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | England |
| Year of Naturalization | 1897 |
| Birthplace (normalized) | england |
1930
Northumberland, Pennsylvania
Head, age 60
Northumberland, Pennsylvania · implied b. ~1870 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nicholson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1894 |
| Age at First Marriage | 33 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Miner |
| Industry | Coal Mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 5000 |
| Radio Set | R |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Northumberland-County, Pennsylvania
Head, age 73
Northumberland-County, Pennsylvania · implied b. ~1867 — 5 household members
| Surname | Nicholson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | West Cameron Township |
| 1935 Residence (County) | Northumberland |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Same House |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Nicholson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Nicholson
Head · 1940 · age 73 · b. ~1867 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Northumberland-County, Pennsylvania
Open full size
1940 US Federal Census — Northumberland-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03598-00806)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harvey D. Henninger | 30 | Head | Miner | Penna. |
| 2 | Minnie L. Henninger | 26 | Wife | — | Penna. |
| 3 | William W. Henninger | 11 | Son | — | Penna. |
| 4 | Harvey L. Henninger | 6 | Son | — | Penna. |
| 5 | Joan B. Henninger | 3 | Daughter | — | Penna. |
| 6 | William L. Henninger | 63 | Head | — | Penna. |
| 7 | Martin B. Long | 35 | Head | Miner | Penna. |
| 8 | Dorothy E. Long | 32 | Wife | — | Penna. |
| 9 | Evelyn M. Long | 9 | Daughter | — | Penna. |
| 10 | Gloria M. Long | 6 | Daughter | — | Penna. |
| 11 | Flora J. Long | 5 | Daughter | — | Penna. |
| 12 | D. Louise Long | 1 | Daughter | — | Penna. |
| 13 | William Gesner | 56 | Head | Miner | Penna. |
| 14 | Marlin Gesner | 26 | Son | Laborer | Penna. |
| 15 | Lorne A. Gesner | 15 | Daughter | — | Penna. |
| 16 | Claude A. Moore | 31 | Head | Miner | Penna. |
| 17 | Martha H. Moore | 29 | Wife | — | Penna. |
| 18 | Loretta M. Moore | 12 | Daughter | — | Penna. |
| 19 | Robert A. Moore | 7 | Son | — | Penna. |
| 20 | James K. Moore | 5 | Son | — | Penna. |
| 21 | Killian W. Moore | 3 | Daughter | — | Penna. |
| 22 | Allen E. Moore | 0 | Son | — | Penna. |
| 23 | John Nicholson THIS PERSON | 73 | Head | — | England |
| 24 | John Nicholson | 37 | Son | Miner | Penna. |
| 25 | Ada Nicholson | 33 | Daughter | — | Penna. |
| 26 | Gilbert R. Nicholson | 27 | Son | Miner | Penna. |
| 27 | Betty M. Nicholson | 8 | Daughter | — | Penna. |
| 28 | Mary E. Collier | 76 | Head | — | Penna. |
| 29 | Rebecca Collier | 32 | Sister | — | Penna. |
| 30 | Ann S. Cramer | 45 | Daughter | — | Penna. |
| 31 | William H. Henninger | 32 | Head | Labor | Penna. |
| 32 | Ruth L. Henninger | 24 | Wife | — | Penna. |
| 33 | Anita J. Henninger | 3 | Daughter | — | Penna. |
| 34 | Daniel W. Henninger | 0 | Son | — | Penna. |
| 35 | William A. Keefer | 50 | Head | Miner | Penna. |
| 36 | Ester M. Keefer | 44 | Wife | — | Penna. |
| 37 | Ida E. Keefer | 17 | Daughter | — | Penna. |
| 38 | Clyde J. Keefer | 16 | Son | — | Penna. |
| 39 | Mildred L. Keefer | 14 | Daughter | — | Penna. |
| 40 | Raymond L. Keefer | 12 | Son | — | Penna. |
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)