CJ
Clarence Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Taylor-County, Iowa
Our Model Tree links this Clarence Johnson across the 1920, 1930 and 1940 US Censuses in Taylor-County, Iowa (XGBoost, ~Confirmed), with identified parents Harry & Henry — first a son (b.~1908), then head of a 7-person household.
Age 32
b. ~1908
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Taylor-County, Iowa |
| Surname | Johnson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Nodaway Township |
| 1935 Residence (County) | Taylor |
| Additional Details | |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | 4 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farming |
| Township / Ward | Nodaway Township |
| Est. Birth Year | ~1908 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Clarence | Age | Birth yr |
|---|---|---|---|---|
| Lily Johnson | Daughter | — | 38 | ~1902 |
| Nellie Johnson | Daughter | — | 36 | ~1904 |
| Harry Johnson | Head | — | 62 | ~1878 |
| Clarence Johnson | Son | — | 32 | ~1908 |
| Harvey Johnson | Son | — | 24 | ~1916 |
| Claude Johnson | Son | — | 22 | ~1918 |
| Martha Johnson | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Taylor, Iowa
Son, age 11
Taylor, Iowa · implied b. ~1909 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Clarence H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Taylor, Iowa
Son, age 21
Taylor, Iowa · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Clarence H |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Taylor-County, Iowa
Son, age 32
Taylor-County, Iowa · implied b. ~1908 — 7 household members
| Surname | Johnson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Nodaway Township |
| 1935 Residence (County) | Taylor |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | 4 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Clarence Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Johnson (~0.92 confidence) and father Henry Johnson (~0.92 confidence) and father Harry Johnson (~0.92 confidence) and mother Martha 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
Harry Johnson
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Henry Johnson
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Harry Johnson
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Martha Johnson
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Martha Johnson
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Martha Johnson
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Johnson
Son · 1940 · age 32 · b. ~1908 · Iowa
★ You are viewing this record
Sibling
Harvey Johnson
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Johnson
Sibling · 1940 · age 36
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Claude Johnson
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lily Johnson
Sibling · 1940 · age 38
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 — Taylor-County, Iowa
Open full size
1940 US Federal Census — Taylor-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01207-01004)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Daisy Brooks | 66 | Wife | Housewife | Iowa |
| 42 | Frances Frey | 19 | Granddaughter | Farm Labor | Iowa |
| 43 | Frank Lindberg | 52 | Head | Farming | Iowa |
| 44 | Cora Lindberg | 50 | Wife | Housewife | Missouri |
| 45 | Murl Rhany | 25 | Head | Farming | Iowa |
| 46 | Mabel Rhany | 31 | Wife | Housewife | Iowa |
| 47 | Dannie Rhany | 11 | Son | — | Iowa |
| 48 | Anna Marie Rhany | 8 | Daughter | — | Iowa |
| 49 | Betty Rhany | 7 | Daughter | — | Iowa |
| 50 | Milo Whitehead | 25 | Head | Farming | Iowa |
| 51 | Helen Whitehead | 24 | Wife | Housewife | Iowa |
| 52 | Phyllis Whitehead | 2 | Daughter | — | Iowa |
| 53 | Glenn Boggess | 44 | Head | Farming | Iowa |
| 54 | Ruth Boggess | 41 | Wife | Housewife | Iowa |
| 55 | Frank Boggess | 15 | Son | — | Iowa |
| 56 | Robert Boggess | 14 | Son | — | Iowa |
| 57 | Roy Fryer | 54 | Head | Retired | Iowa |
| 58 | Gertrude Fryer | 57 | Wife | Housewife | Iowa |
| 59 | Laverne Moore | 24 | Head | Farming | Iowa |
| 60 | Frances Moore | 20 | Wife | Housewife | Nebraska |
| 61 | Waites Moore | 2 | Son | — | Iowa |
| 62 | Carol Jean Moore | 1 | Daughter | — | Iowa |
| 63 | Martin Taylor | 44 | Head | Farming | New York |
| 64 | Florence Taylor | 38 | Wife | Housewife | Iowa |
| 65 | Delmar Cady | 44 | Head | Farming | Iowa |
| 66 | Erma Cady | 25 | Wife | Housewife | Iowa |
| 67 | Luella Cady | 15 | Daughter | — | Iowa |
| 68 | Russell Cady | 12 | Son | — | Iowa |
| 69 | Audrey Cady | 9 | Daughter | — | Iowa |
| 70 | Dale Cady | 8 | Son | — | Iowa |
| 71 | Frankie Cady | 6 | Son | — | Iowa |
| 72 | Harry Johnson | 62 | Head | Farming | Illinois |
| 73 | Martha Johnson | 52 | Wife | Housewife | Iowa |
| 74 | Lily Johnson | 38 | Daughter | Housewife | Iowa |
| 75 | Nellie Johnson | 36 | Daughter | Housewife | Iowa |
| 76 | Clarence Johnson THIS PERSON | 32 | Son | Farming | Iowa |
| 77 | Harvey Johnson | 24 | Son | Farming | Iowa |
| 78 | Claude Johnson | 22 | Son | Farming | Iowa |
| 79 | Dale R. King | 23 | Head | Farming | Nebraska |
| 80 | Daisy King | 21 | Wife | Housewife | Iowa |
Pedigree Summary
Clarence + 4 siblings
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)