GJ
Gerald Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Blair-County, Pennsylvania
Our Model Tree links this Gerald Johnson across the 1920, 1930 and 1940 US Censuses in Blair-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Frances & Arena — first a head (b.~1902), then head of a 6-person household.
Age 38
b. ~1902
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Blair-County, Pennsylvania |
| Surname | Johnson |
| Given Name | Gerald |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Altoona |
| 1935 Residence (County) | Blair |
| Additional Details | |
| Occupation | Machinist |
| Industry | Steam Railroad Shop |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2000 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Machinist |
| Township / Ward | Altoona |
| Est. Birth Year | ~1902 |
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 Gerald | Age | Birth yr |
|---|---|---|---|---|
| Doreen Johnson | Daughter | — | 9 | ~1931 |
| Gerald Johnson | Head | — | 38 | ~1902 |
| Ella Harman | Other | — | 70 | ~1870 |
| Marian Johnson | Daughter | — | 16 | ~1924 |
| William Johnson | Son | — | 11 | ~1929 |
| Edith Johnson | Spouse | — | 39 | ~1901 |
Census Appearances
1920
Blair, Pennsylvania
Son, age 18
Blair, Pennsylvania · implied b. ~1902 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Gerald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Machinist Apprentice |
| Industry | Rail-road shops |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Blair, Pennsylvania
Head, age 28
Blair, Pennsylvania · implied b. ~1902 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Gerald |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 22 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Machinist |
| Industry | Penna RR |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 25.00 |
| Radio Set | R |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Blair-County, Pennsylvania
Head, age 38
Blair-County, Pennsylvania · implied b. ~1902 — 6 household members
| Surname | Johnson |
| Given Name | Gerald |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Altoona |
| 1935 Residence (County) | Blair |
| Occupation | Machinist |
| Industry | Steam Railroad Shop |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2000 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| 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 Gerald Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frances Johnson (~0.92 confidence) and mother Arena Johnson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frances Johnson
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Arena Johnson
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Gerald Johnson
Head · 1940 · age 38 · b. ~1902 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Blair-County, Pennsylvania
Open full size
1940 US Federal Census — Blair-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03438-00672)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Salvatore Sabatino | 19 | Son | Laborer | Pennsylvania |
| 42 | Edward Sabatino | 17 | Son | — | Pennsylvania |
| 43 | Alverda Sabatino | 13 | Daughter | — | Pennsylvania |
| 44 | Emma K. Eberly | 75 | Head | — | Pennsylvania |
| 45 | Simon S. Ruth | 58 | Head | Truck-Driver | Pennsylvania |
| 46 | Laura B. Ruth | 54 | Wife | — | Pennsylvania |
| 47 | Merle A. Berlye | 31 | Lodger | Manager | Pennsylvania |
| 48 | Ethel A. Berlye | 31 | Lodger | Trained Nurse | Pennsylvania |
| 49 | John Joseph Callan | 60 | Head | — | Irish Free State |
| 50 | Minnie Callan | 57 | Wife | — | Pennsylvania |
| 51 | William H. Callan | 24 | Son | Laborer | Pennsylvania |
| 52 | Bernard Callan | 14 | Son | Newsboy | Pennsylvania |
| 53 | Ella Winsky | 78 | Aunt | — | Pennsylvania |
| 54 | James Smith | 30 | Head | Surveyor | Pennsylvania |
| 55 | Grace Smith | 27 | Wife | — | Pennsylvania |
| 56 | Barbara Jeanne Smith | 6 | Daughter | — | Pennsylvania |
| 57 | Ronald Smith | 4 | Son | — | Pennsylvania |
| 58 | Paul Kevin | 28 | Head | Truck-Driver | Pennsylvania |
| 59 | Helen Kevin | 25 | Wife | — | Pennsylvania |
| 60 | Paul Kevin | 7 | Son | — | Pennsylvania |
| 61 | Janet Kevin | 5 | Daughter | — | Pennsylvania |
| 62 | Joseph Kevin | 3 | Son | — | Pennsylvania |
| 63 | Gerald Johnson THIS PERSON | 38 | Head | Machinist | Pennsylvania |
| 64 | Edith Johnson | 39 | Wife | — | Pennsylvania |
| 65 | Marian Johnson | 16 | Daughter | — | Pennsylvania |
| 66 | William Johnson | 11 | Son | — | Pennsylvania |
| 67 | Doreen Johnson | 9 | Daughter | — | Pennsylvania |
| 68 | Ella Harman | 70 | Mother-in-law | — | Pennsylvania |
| 69 | Ebert Parson | 28 | Head | Laborer | Pennsylvania |
| 70 | Jane Parson | 26 | Wife | — | Pennsylvania |
| 71 | Joyce Parson | 7 | Daughter | — | Pennsylvania |
| 72 | Donald Parson | 6 | Son | — | Pennsylvania |
| 73 | Philip Parson | 5 | Son | — | Pennsylvania |
| 74 | Gerdes Parson | 3 | Son | — | Pennsylvania |
| 75 | George Parson | 1 | Son | — | Pennsylvania |
| 76 | Iris Ann Parson | 0 | Daughter | — | Pennsylvania |
| 77 | George R. Edgely | 57 | Head | Agent | Pennsylvania |
| 78 | Margaret Edgely | 57 | Wife | — | Pennsylvania |
| 79 | D. M. Griffith | 41 | Head | Electric-Welder | Pennsylvania |
| 80 | Rose Griffith | 42 | Wife | — | Pennsylvania |
Pedigree Summary
Gerald
Gen 1 · 2 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)