CJ
Clifford Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ramsey-County, Minnesota
Our Model Tree links this Clifford Johnson across the 1920, 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed), with identified parents Nels & Nels — first a son (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | Johnson |
| Given Name | Clifford |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| 1935 Residence (County) | Ramsey |
| Additional Details | |
| Occupation | Machinist Helper |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Machinist Helper |
| Township / Ward | St Paul City |
| Est. Birth Year | ~1915 |
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 Clifford | Age | Birth yr |
|---|---|---|---|---|
| Eleanor Johnson | Daughter | — | 32 | ~1908 |
| Jennie Johnson | Head | — | 59 | ~1881 |
| Clifford Johnson | Son | — | 25 | ~1915 |
Census Appearances
1920
Ramsey, Minnesota
Son, age 5
Ramsey, Minnesota · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Clifford |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| 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 |
1930
Ramsey, Minnesota
Son, age 15
Ramsey, Minnesota · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Clifford |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Son, age 25
Ramsey-County, Minnesota · implied b. ~1915 — 3 household members
| Surname | Johnson |
| Given Name | Clifford |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| 1935 Residence (County) | Ramsey |
| Occupation | Machinist Helper |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| 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 Clifford Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Nels Johnson (~0.92 confidence) and father Nels Johnson (~0.92 confidence) and mother Jennie Johnson (~0.92 confidence) and mother Jennie Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nels Johnson
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Nels Johnson
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Jennie Johnson
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Jennie Johnson
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clifford Johnson
Son · 1940 · age 25 · b. ~1915 · Minnesota
★ You are viewing this record
Sibling
Eleanor Johnson
Sibling · 1940 · age 32
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 — 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-t0627-01994-00158)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Nelson | 60 | Head | Carpenter | Sweden |
| 42 | Alapa Nelson | 53 | Wife | — | Sweden |
| 43 | Carl H. Nelson | 29 | Son | Bookkeeper | Minnesota |
| 44 | Lucille Nelson | 26 | Daughter | Credit Clerk | Minnesota |
| 45 | Leonard Nelson | 24 | Son | Clerk | Minnesota |
| 46 | Catherine Nelson | 21 | Daughter | — | Minnesota |
| 47 | George Nelson | 19 | Son | Office Boy | Minnesota |
| 48 | Wilford Nelson | 16 | Son | Paper Carrier | Minnesota |
| 49 | Lois Nelson | 13 | Daughter | — | Minnesota |
| 50 | Edith Johnson | 28 | Head | Dressmaker | Minnesota |
| 51 | Joanne Johnson | 4 | Daughter | — | Minnesota |
| 52 | Carl A. Halmen | 69 | Head | Contractor | Sweden |
| 53 | Alfrieda Halmen | 67 | Wife | — | Sweden |
| 54 | Edward C. Wiggins | 56 | Head | Traveling Salesman | England |
| 55 | Minnie Wiggins | 55 | Wife | — | Northern Ireland |
| 56 | Thomas J. Wiggins | 11 | Son | — | Minnesota |
| 57 | Carl Thomsen | 50 | Head | Cement Finisher | Denmark |
| 58 | Petra Thomsen | 45 | Wife | — | Denmark |
| 59 | Carl Earl Thomsen | 11 | Son | — | Minnesota |
| 60 | Carl Johnson | 65 | Head | — | Sweden |
| 61 | Hannah Nelson | 46 | Housekeeper | Housekeeper | Sweden |
| 62 | Fred Anderson | 62 | Head | Tankman | Norway |
| 63 | Lena Anderson | 65 | Wife | — | Sweden |
| 64 | Beulah Anderson | 30 | Daughter | Saleslady | Minnesota |
| 65 | Knute Moe | 71 | Head | — | Denmark |
| 66 | Alma Moe | 71 | Wife | — | Denmark |
| 67 | Fred A. Johnson | 64 | Head | Hydro Plant Maintainer | Sweden |
| 68 | Emilia M. Johnson | 63 | Wife | — | Sweden |
| 69 | Ludwig Johnson | 67 | Head | — | Sweden |
| 70 | Eva Johnson | 55 | Wife | — | Minnesota |
| 71 | Mervin H. Johnson | 32 | Son | Chief Clerk | Montana |
| 72 | John Johnson | 43 | Head | Sheet Metal Worker | Minnesota |
| 73 | Nora Johnson | 38 | Wife | — | Minnesota |
| 74 | Warren D. Johnson | 13 | Son | — | Minnesota |
| 75 | Hannah Bartholomew | 54 | Head | Maid | Minnesota |
| 76 | Anthony Stylin | 87 | Father | — | Sweden |
| 77 | Jennie Johnson | 59 | Head | — | Sweden |
| 78 | Eleanor Johnson | 32 | Daughter | Complaint Operator | Minnesota |
| 79 | Clifford Johnson THIS PERSON | 25 | Son | Machinist Helper | Minnesota |
Pedigree Summary
Clifford + 1 sibling
Gen 1 · 4 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)