RJ
Ronald Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mckean-County, Pennsylvania
Our Model Tree links this Ronald Johnson across the 1930 and 1940 US Censuses in Mckean-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 6-person household.
Age 15
b. ~1925
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mckean-County, Pennsylvania |
| Surname | Johnson |
| Given Name | Ronald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Unincorporated place Cyclone (Simpson) |
| 1935 Residence (County) | McKean |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Unincorporated Place Cyclone Simpson |
| Est. Birth Year | ~1925 |
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 Ronald | Age | Birth yr |
|---|---|---|---|---|
| Robert Johnson | Son | — | 8 | ~1932 |
| Grace Johnson | Spouse | — | 34 | ~1906 |
| Ronald Johnson | Son | — | 15 | ~1925 |
| Raymond Johnson | Son | — | 6 | ~1934 |
| Robert Johnson | Head | — | 52 | ~1888 |
| Wanda Johnson | Daughter | — | 10 | ~1930 |
Census Appearances
1930
Mckean, Pennsylvania
Son, age 4
Mckean, Pennsylvania · implied b. ~1926 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ronald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Mckean-County, Pennsylvania
Son, age 15
Mckean-County, Pennsylvania · implied b. ~1925 — 6 household members
| Surname | Johnson |
| Given Name | Ronald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Unincorporated place Cyclone (Simpson) |
| 1935 Residence (County) | McKean |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 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 Ronald Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ronald Johnson
Son · 1940 · age 15 · b. ~1925 · Pennsylvania
★ You are viewing this record
Sibling
Raymond Johnson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wanda Johnson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Johnson
Sibling · 1940 · age 8
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 — Mckean-County, Pennsylvania
Open full size
1940 US Federal Census — Mckean-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03569-00299)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dale Fitzgerald | 22 | Brother | Laborer | Pennsylvania |
| 2 | Alice Mcdermott | 37 | Head | Driller | Pennsylvania |
| 3 | Lillie Mcdermott | 16 | Daughter | — | Pennsylvania |
| 4 | Emery Mcdermott | 12 | Son | — | Pennsylvania |
| 5 | Delbert Cook | 20 | Son-in-law | Tool Dresser | Pennsylvania |
| 6 | Herbert Burt | 42 | Head | Pumper | Pennsylvania |
| 7 | Martha Burt | 37 | Wife | — | Pennsylvania |
| 8 | Kenton Burt | 13 | Son | — | Pennsylvania |
| 9 | Arland Burt | 8 | Son | — | Pennsylvania |
| 10 | Beverly Burt | 4 | Daughter | — | Pennsylvania |
| 11 | Theodore Sowell | 35 | Head | Roustabout | West Virginia |
| 12 | Doris Sowell | 18 | Wife | Maid | Pennsylvania |
| 13 | Irvin Foreman | 25 | Head | Laborer | Pennsylvania |
| 14 | Margaret Foreman | 22 | Wife | — | Pennsylvania |
| 15 | Sharon Foreman | 0 | Daughter | 0 | Pennsylvania |
| 16 | Robert Johnson | 52 | Head | Pumper | Pennsylvania |
| 17 | Grace Johnson | 34 | Wife | — | Pennsylvania |
| 18 | Ronald Johnson THIS PERSON | 15 | Son | — | Pennsylvania |
| 19 | Wanda Johnson | 10 | Daughter | — | Pennsylvania |
| 20 | Robert Jr. Johnson | 8 | Son | — | Pennsylvania |
| 21 | Raymond Johnson | 6 | Son | — | Pennsylvania |
| 22 | Wade Nollifer | 26 | Head | Tool Dresser | Pennsylvania |
| 23 | Lois Nollifer | 25 | Wife | — | Pennsylvania |
| 24 | William Nollifer | 5 | Son | — | Pennsylvania |
| 25 | Melvin Nollifer | 2 | Son | — | Pennsylvania |
| 26 | Howard Nollifer | 1 | Son | — | Pennsylvania |
| 27 | Walter Bell | 34 | Head | Pumper | Pennsylvania |
| 28 | Sarah Bell | 43 | Wife | — | Pennsylvania |
| 29 | Jane Bell | 11 | Daughter | — | Pennsylvania |
| 30 | Mary Bell | 8 | Daughter | — | Pennsylvania |
| 31 | Charles Bell | 1 | Son | — | Pennsylvania |
| 32 | James Clair | 26 | Head | Tool Dresser | Pennsylvania |
| 33 | Goldie Clair | 26 | Wife | — | Pennsylvania |
| 34 | Hazel Clair | 6 | Daughter | — | Pennsylvania |
| 35 | Leon Clair | 4 | Son | — | Pennsylvania |
| 36 | John Moyer | 27 | Head | Pumper | Pennsylvania |
| 37 | Mary Moyer | 22 | Wife | — | Pennsylvania |
| 38 | Paul Shefferd | 34 | Head | Pumper | Pennsylvania |
| 39 | Goldie Shefferd | 27 | Wife | — | Pennsylvania |
| 40 | Alma Shefferd | 9 | Daughter | — | New York |
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)