JN
John Nichols — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lycoming-County, Pennsylvania
Our Model Tree links this John Nichols across the 1920, 1930 and 1940 US Censuses in Lycoming-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Catherine & Lorin — first a son (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lycoming-County, Pennsylvania |
| Surname | Nichols |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Watson |
| 1935 Residence (County) | Lycoming |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 300 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Farmer |
| Township / Ward | Watson |
| Est. Birth Year | ~1918 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Betty Nichols | Daughter | — | 13 | ~1927 |
| Katheryn Nichols | Head | — | 41 | ~1899 |
| John Nichols | Son | — | 22 | ~1918 |
Census Appearances
1920
Lycoming, Pennsylvania
Son, age 1
Lycoming, Pennsylvania · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nicholas |
| Given Name | John W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Lycoming, Pennsylvania
Son, age 12
Lycoming, Pennsylvania · implied b. ~1918 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichols |
| Given Name | John W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lycoming-County, Pennsylvania
Son, age 22
Lycoming-County, Pennsylvania · implied b. ~1918 — 3 household members
| Surname | Nichols |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Watson |
| 1935 Residence (County) | Lycoming |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 300 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Nichols across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Catherine Nicholas (~0.92 confidence) and father Lorin Nicholas (~0.92 confidence) and mother Katheryn Nichols (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Catherine Nicholas
b. ~1894
Source mother
● Household
· direct · ~0.92
Father
Lorin Nicholas
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Katheryn Nichols
b. ~1899
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Nichols
Son · 1940 · age 22 · b. ~1918 · Pennsylvania
★ You are viewing this record
Sibling
Betty Nichols
Sibling · 1940 · age 13
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 — Lycoming-County, Pennsylvania
Open full size
1940 US Federal Census — Lycoming-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03566-00471)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Constance Mae Winters | 7 | Daughter | — | Pennsylvania |
| 42 | Richard B. Zahniser | 29 | Head | Army Officer | Pennsylvania |
| 43 | Mary Zahniser | 30 | Wife | — | Oklahoma |
| 44 | Richard A. Zahniser | 4 | Son | — | Pennsylvania |
| 45 | Charles G. Hemphill | 67 | Head | Caretaker | Pennsylvania |
| 46 | Margaret E. Hemphill | 53 | Wife | — | Pennsylvania |
| 47 | Elzy E. Harris | 53 | Head | Carpenter | Pennsylvania |
| 48 | Richard Harris | 16 | Son | — | Pennsylvania |
| 49 | Rose Young | 32 | Housekeeper | Housekeeper | Pennsylvania |
| 50 | Betty Jane Wolfe | 10 | Daughter | — | Pennsylvania |
| 51 | John L. Breishing | 45 | Head | Farmer | Pennsylvania |
| 52 | Hazel Breishing | 42 | Wife | — | Pennsylvania |
| 53 | Betty Mae Breishing | 17 | Daughter | New Worker | Pennsylvania |
| 54 | Melvin Breishing | 15 | Son | — | Pennsylvania |
| 55 | Vance Breishing | 13 | Son | — | Pennsylvania |
| 56 | James Breishing | 6 | Son | — | Pennsylvania |
| 57 | Hazel Breishing | 4 | Daughter | — | Pennsylvania |
| 58 | Janice Breishing | 2 | Daughter | — | Pennsylvania |
| 59 | Verus D. Burger | 28 | Head | Laborer | Pennsylvania |
| 60 | Judy Addie Burger | 40 | Housekeeper | — | West Virginia |
| 61 | Ralph Lentz | 50 | Head | Section Hand | Pennsylvania |
| 62 | Mary Lentz | 56 | Wife | — | Pennsylvania |
| 63 | William Spong | 62 | Head | Laborer | Indiana |
| 64 | Myrtle Spong | 49 | Wife | — | Pennsylvania |
| 65 | Wesley Spong | 22 | Son | — | Pennsylvania |
| 66 | Doris A. Spong | 18 | Daughter | Teamster | Pennsylvania |
| 67 | Ruth Spong | 12 | Daughter | Maid | Pennsylvania |
| 68 | Jessie Spong | 8 | Daughter | — | Pennsylvania |
| 69 | Emery Riggle | 26 | Head | Laborer | Pennsylvania |
| 70 | Ellen D. Riggle | 20 | Wife | — | Pennsylvania |
| 71 | Larry Dean Riggle | 0 | Son | — | Pennsylvania |
| 72 | Glenn J. Miller | 26 | Head | Laborer | Pennsylvania |
| 73 | Mary Miller | 22 | Wife | — | Pennsylvania |
| 74 | Irene Miller | 2 | Daughter | — | Pennsylvania |
| 75 | Sadie Lentz | 79 | Head | — | Pennsylvania |
| 76 | Frank Lentz | 49 | Son | Foreman Road Work | Pennsylvania |
| 77 | Ilee Lentz | 43 | Daughter-in-law | — | Vermont |
| 78 | Katheryn E. Nichols | 41 | Head | — | Pennsylvania |
| 79 | John W. Nichols THIS PERSON | 22 | Son | Farmer | Pennsylvania |
| 80 | Betty Nichols | 13 | Daughter | — | Pennsylvania |
Pedigree Summary
John + 1 sibling
Gen 1 · 3 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)