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Charles Olson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mckean-County, Pennsylvania
Our Model Tree links this Charles Olson across the 1920, 1930 and 1940 US Censuses in Mckean-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Axel & Anna — first a head (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mckean-County, Pennsylvania |
| Surname | Olson |
| Given Name | Charles J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Wetmore Township |
| 1935 Residence (County) | McKean |
| Additional Details | |
| Hours Worked | 18 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Wetmore Township |
| Est. Birth Year | ~1910 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Ruth Olson | Spouse | — | 26 | ~1914 |
| Sherillyn Olson | Daughter | — | 3 | ~1937 |
| Charles Olson | Head | — | 30 | ~1910 |
Census Appearances
1920
Mckean, Pennsylvania
Son, age 10
Mckean, Pennsylvania · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Mckean, Pennsylvania
Son, age 20
Mckean, Pennsylvania · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Pennsylvania |
| Occupation | Carpenter |
| Industry | Bldg Const. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Mckean-County, Pennsylvania
Head, age 30
Mckean-County, Pennsylvania · implied b. ~1910 — 3 household members
| Surname | Olson |
| Given Name | Charles J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Wetmore Township |
| 1935 Residence (County) | McKean |
| Hours Worked | 18 |
| Income (1939) | 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 Charles Olson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Axel Olson (~0.92 confidence) and mother Anna Olson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Axel Olson
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Anna Olson
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Olson
Head · 1940 · age 30 · b. ~1910 · 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 — 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-t0627-03569-00714)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Doyle L. Hetrick | 20 | Son | Farm Hand | Pa |
| 2 | Robert J. Hetrick | 15 | Son | — | Pa |
| 3 | Carolyn M. Hetrick | 13 | Daughter | — | Pa |
| 4 | Genevieve E. Hetrick | 9 | Daughter | — | Pa |
| 5 | Priscilla A. Hetrick | 6 | Daughter | — | Pa |
| 6 | Elmer E. Loper | 71 | Head | — | New York |
| 7 | D. Edith Loper | 51 | Wife | — | Pa |
| 8 | Charles G. Rose | 27 | Head | Paint Sprayer | Pa |
| 9 | Ardyth L. Rose | 24 | Wife | — | Pa |
| 10 | Delores J. Rose | 4 | Daughter | — | Pa |
| 11 | Axel A. Nelson | 59 | Head | — | Sweden |
| 12 | Anna S. Nelson | 49 | Wife | — | Pa |
| 13 | Oscar A. Gustafson | 47 | Brother | — | Pa |
| 14 | Charles J. Olson THIS PERSON | 30 | Head | — | Pennsylvania |
| 15 | Ruth M. Olson | 26 | Wife | — | Pa |
| 16 | Sherillyn R. Olson | 3 | Daughter | — | Pa |
| 17 | Hilday Malmstrom | 70 | Head | — | Sweden |
| 18 | George C. Malmstrom | 43 | Son | — | Pa |
| 19 | Arnold A. Malmstrom | 31 | Son | Shaper Man | Pa |
| 20 | Charles H. Stewart | 74 | Head | Farmer | New York |
| 21 | Iona B. Stewart | 38 | Wife | — | Pa |
| 22 | Mary U. Stewart | 18 | Daughter | — | Pa |
| 23 | Amelia A. Stewart | 16 | Daughter | — | Pa |
| 24 | Henry A. Stewart | 14 | Son | — | Pa |
| 25 | Howard E. Stewart | 12 | Son | — | Pa |
| 26 | Lillian Stewart | 9 | Daughter | — | Pa |
| 27 | William H. Stewart | 7 | Son | — | Pa |
| 28 | Edwin G. Lunn | 49 | Head | Farmer | Pa |
| 29 | Harry S. Peterson | 46 | Head | Well Tender | Pa |
| 30 | Dorothy L. Peterson | 48 | Wife | Shipping Room | Pa |
| 31 | Emmett Peterson | 19 | Son | — | Pa |
| 32 | Maurice D. Lindquist | 70 | Head | Farmer | Sweden |
| 33 | Hazel C. Lindquist | 44 | Daughter | — | Pa |
| 34 | Leroy L. Lindquist | 35 | Son | Set Up Man | Pa |
| 35 | Merle L. Lindquist | 30 | Son | Router Man | Pa |
| 36 | Edward G. Kozar | 54 | Head | — | Austria Hungary |
| 37 | Mary Kozar | 52 | Wife | — | Poland |
| 38 | Walter Kozar | 21 | Son | Laborer | Pa |
| 39 | Sylvester Kozar | 18 | Son | Farmer | Pa |
| 40 | Elizabeth G. Kozar | 16 | Daughter | — | Pa |
Pedigree Summary
Charles
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)