MJ
Maude Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Woodbury-County, Iowa
Our Model Tree links this Maude Johnson across the 1920, 1930 and 1940 US Censuses in Woodbury-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1889), then head of a 3-person household.
Age 51
b. ~1889
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Woodbury-County, Iowa |
| Surname | Johnson |
| Given Name | Maude |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Sioux City |
| 1935 Residence (County) | Woodbury |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Sioux City |
| Est. Birth Year | ~1889 |
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 Maude | Age | Birth yr |
|---|---|---|---|---|
| Maude Johnson | Spouse | — | 51 | ~1889 |
| Clarence Johnson | Son | — | 32 | ~1908 |
| Sam Johnson | Head | — | 58 | ~1882 |
Census Appearances
1920
Woodbury, Iowa
Spouse, age 31
Woodbury, Iowa · implied b. ~1889 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Maude |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Woodbury, Iowa
Spouse, age 40
Woodbury, Iowa · implied b. ~1890 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Maude E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 17 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Woodbury-County, Iowa
Spouse, age 51
Woodbury-County, Iowa · implied b. ~1889 — 3 household members
| Surname | Johnson |
| Given Name | Maude |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Sioux City |
| 1935 Residence (County) | Woodbury |
| Highest Grade | H-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 Maude Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Maude Johnson
Spouse · 1940 · age 51 · b. ~1889 · Iowa
★ 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 — Woodbury-County, Iowa
Open full size
1940 US Federal Census — Woodbury-County, Iowa
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-01215-00510)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alyce Blashard | 34 | Wife | — | Iowa |
| 42 | Don Blashard | 9 | Son | — | Iowa |
| 43 | Daniel Flynn | 34 | Head | Manager | Nebraska |
| 44 | Edith Flynn | 33 | Wife | — | Nebraska |
| 45 | Wilma Meyers | 26 | Sister-in-law | Saleslady | Nebraska |
| 47 | H. J. Baack | 44 | Head | Laborer | Iowa |
| 48 | Lillian Baack | 42 | Wife | — | Nebraska |
| 49 | Lillian Johnson | 78 | Mother-in-law | — | Iowa |
| 50 | Miriam Craig | 63 | Sister-in-law | — | Missouri |
| 52 | Bliss Stover | 55 | Head | Laborer | Illinois |
| 53 | Margaret Stover | 56 | Wife | — | Iowa |
| 55 | Sam E. Hoffman | 38 | Head | Motorcycle Officer | Iowa |
| 56 | Helen E. Hoffman | 35 | Wife | Deputy Clerk | Iowa |
| 57 | Nancy Lou Hoffman | 9 | Daughter | — | Iowa |
| 58 | Marlene De Mere | 26 | Boarder | Bar Tender | Nebraska |
| 59 | Harry Haight | 51 | Head | Manager | Iowa |
| 60 | Belle Haight | 48 | Wife | — | Iowa |
| 61 | Edward Ballard | 39 | Head | Policeman | Nebraska |
| 62 | Mildred Ballard | 30 | Wife | — | Iowa |
| 63 | Chas H. Bliven | 31 | Head | Cafe Operator | South Dakota |
| 64 | Audrey Bliven | 32 | Wife | Bookkeeper | South Dakota |
| 65 | Frances Peterson | 15 | Maid | — | South Dakota |
| 66 | Eva Anderson | 63 | Mother-in-law | — | Indiana |
| 67 | Sam Johnson | 58 | Head | — | Kentucky |
| 68 | Maude Johnson THIS PERSON | 51 | Wife | — | Iowa |
| 69 | Clarence Johnson | 32 | Son | Pharmacist | Iowa |
| 71 | Albert J. Robinson | 52 | Head | Auditor | South Dakota |
| 72 | Laura Robinson | 52 | Wife | — | Iowa |
| 73 | Jessie Overmire | 81 | Mother-in-law | — | Illinois |
| 74 | Lee Overmire | 60 | Brother-in-law | — | Dakota |
| 75 | Clark Mchilleon | 35 | Head | Foreman | Iowa |
| 76 | Agnes Mchilleon | 35 | Wife | — | Minnesota |
| 77 | Donald Mchilleon | 12 | Son | — | Iowa |
| 78 | Dorothy Mchilleon | 11 | Daughter | — | Minnesota |
| 79 | Shirley Mchilleon | 4 | Daughter | — | Nebraska |
| 80 | Laing Hardy | 46 | Head | Stationary Engineer | Iowa |
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)