HJ
Harry Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ramsey-County, Minnesota
Our Model Tree links this Harry Johnson across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed), with identified parents Yvonne & Louis — first a head (b.~1896), then head of a 4-person household.
Age 44
b. ~1896
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | Johnson |
| Given Name | Harry E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| 1935 Residence (County) | Ramsey |
| Additional Details | |
| Occupation | Ticket Agent |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2100 |
| Highest Grade | H-2 |
| 1935 Residence | Same house |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Ticket Agent |
| Township / Ward | St Paul City |
| Est. Birth Year | ~1896 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Geraldine Johnson | Daughter | — | 14 | ~1926 |
| Catherine Johnson | Daughter | — | 7 | ~1933 |
| Harry Johnson | Head | — | 44 | ~1896 |
| Lillian Johnson | Spouse | — | 40 | ~1900 |
Census Appearances
1900
Ramsey, Minnesota
Son, age 4
Ramsey, Minnesota · implied b. ~1896 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Birth Month | Mch |
| Birth Year | 1896 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1910
Ramsey, Minnesota
Son, age 13
Ramsey, Minnesota · implied b. ~1897 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Harry E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Ramsey, Minnesota
Son, age 24
Ramsey, Minnesota · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Harry H |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Tool dresser |
| Industry | Oil Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Ramsey, Minnesota
Son, age 34
Ramsey, Minnesota · implied b. ~1896 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Harry E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 30 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Ticket Agent |
| Industry | Steam Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Head, age 44
Ramsey-County, Minnesota · implied b. ~1896 — 4 household members
| Surname | Johnson |
| Given Name | Harry E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| 1935 Residence (County) | Ramsey |
| Occupation | Ticket Agent |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2100 |
| Highest Grade | H-2 |
| 1935 Residence | Same house |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Harry Johnson across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Yvonne Johnson (~0.92 confidence) and father Louis Johnson (~0.92 confidence) and father Fred Johnson (~0.92 confidence) and father Louis Johnson (~0.92 confidence) and mother Martha Johnson (~0.92 confidence) and mother Martha Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Yvonne Johnson
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Louis Johnson
b. ~1855
Source father
● Household
· direct · ~0.92
Father
Fred Johnson
b. ~1858
Source father
● Household
· direct · ~0.92
Father
Louis Johnson
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Martha Johnson
b. ~1858
Source mother
● Household
· direct · ~0.92
Mother
Martha Johnson
b. ~1857
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Johnson
Head · 1940 · age 44 · b. ~1896 · Minnesota
★ 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 — Ramsey-County, Minnesota
Open full size
1940 US Federal Census — Ramsey-County, Minnesota
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01994-00667)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward St. George | 37 | Head | Salesman | Illinois |
| 2 | Joyce St. George | 38 | Wife | — | Minnesota |
| 3 | Lawrence St. George | 10 | Son | — | Minnesota |
| 4 | David St. George | 5 | Son | — | Minnesota |
| 5 | John Kobska | 33 | Head | Machine Hand | Minnesota |
| 6 | Helen Kobska | 29 | Wife | — | Minnesota |
| 7 | Henry A. Norland | 38 | Head | Carpenter | North Dakota |
| 8 | Violet Norland | 36 | Wife | — | North Dakota |
| 9 | Jerry Norland | 12 | Son | — | North Dakota |
| 10 | Earl Norland | 13 | Son | — | Minnesota |
| 11 | Erick G. Erickson | 49 | Head | Plasterer | Sweden |
| 12 | Nanna Erickson | 46 | Wife | — | Sweden |
| 13 | Anton Mudalla | 62 | Head | Proprietor | Minnesota |
| 14 | Bernice Mudalla | 63 | Wife | — | Poland |
| 15 | Theodore Mudalla | 39 | Son | Salesman | Minnesota |
| 16 | Clemence Mudalla | 37 | Son | Truck Driver | Minnesota |
| 17 | Deane Mudalla | 34 | Daughter | Chief Operator | Minnesota |
| 18 | Harry Mudalla | 30 | Son | Brewer | Minnesota |
| 19 | Rufian Mudalla | 24 | Daughter | Billing Clerk | Minnesota |
| 20 | George Mudalla | 18 | Son | — | Minnesota |
| 21 | Harry E. Johnson THIS PERSON | 44 | Head | Ticket Agent | Minnesota |
| 22 | Lillian Johnson | 40 | Wife | — | Minnesota |
| 23 | Geraldine Johnson | 14 | Daughter | — | Minnesota |
| 24 | Catherine Johnson | 7 | Daughter | — | Minnesota |
| 25 | Hesswig | 48 | Sister-in-law | Saleslady | Minnesota |
| 26 | John V. Jablonski | 44 | Head | Freight Inspector | Poland |
| 27 | Florence Jablonski | 34 | Wife | — | Minnesota |
| 28 | Irene Jablonski | 15 | Daughter | — | Minnesota |
| 29 | Thomas Jablonski | 7 | Son | — | Minnesota |
| 30 | Hubert D. Hudalla | 35 | Head | Painter | Minnesota |
| 31 | Georgia Hudalla | 32 | Wife | — | Minnesota |
| 32 | Harold Hudalla | 12 | Son | — | Minnesota |
| 33 | Roland Hudalla | 8 | Son | — | Minnesota |
| 34 | Elaine Hudalla | 3 | Daughter | — | Minnesota |
| 35 | Clarice Hudalla | 2 | Daughter | — | Minnesota |
| 36 | Antonette Rysiewski | 50 | Head | — | Minnesota |
| 37 | Edmund Rysiewski | 20 | Son | Laborer | Minnesota |
| 38 | Floyd Rysiewski | 36 | Son | Laborer | Minnesota |
| 39 | Daniel Rysiewski | 19 | Son | Shipper | Minnesota |
Pedigree Summary
Harry
Gen 1 · 6 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)