MA
Matilda Anderson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Worth-County, Iowa
Our Model Tree links this Matilda Anderson across the 1930 and 1940 US Censuses in Worth-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1901), then head of a 5-person household.
Age 39
b. ~1901
Female
Spouse
Born: South Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Worth-County, Iowa |
| Surname | Anderson |
| Given Name | Matilda |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | Silver Lake Twp. |
| 1935 Residence (County) | Worth |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Township / Ward | Silver Lake Twp |
| Est. Birth Year | ~1901 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Matilda | Age | Birth yr |
|---|---|---|---|---|
| Fredrick Anderson | Head | — | 45 | ~1895 |
| Robert Anderson | Son | — | 10 | ~1930 |
| Howard Anderson | Son | — | 8 | ~1932 |
| Clarice Anderson | Daughter | — | 16 | ~1924 |
| Matilda Anderson | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Worth, Iowa
Spouse, age 29
Worth, Iowa · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Mathilda |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | South Dakota |
| Age at First Marriage | 20 |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Worth-County, Iowa
Spouse, age 39
Worth-County, Iowa · implied b. ~1901 — 5 household members
| Surname | Anderson |
| Given Name | Matilda |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | Silver Lake Twp. |
| 1935 Residence (County) | Worth |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
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 Matilda Anderson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Matilda Anderson
Spouse · 1940 · age 39 · b. ~1901 · 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 — Worth-County, Iowa
Open full size
1940 US Federal Census — Worth-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01217-00320)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Agnes A. Monson | 36 | wife | — | Iowa |
| 42 | Arlene C. Monson | 12 | daughter | — | Iowa |
| 43 | Robert D. Monson | 10 | son | — | Iowa |
| 44 | Gene A. Monson | 8 | son | — | Iowa |
| 45 | Lewis S. Nelson | 62 | head | Farmer | Illinois |
| 46 | Henrietta H. Nelson | 62 | wife | — | Norway |
| 47 | Joseph S. Nelson | 28 | son | Hired Hand | Neb. |
| 48 | Orville W. Nelson | 27 | son | Hired Hand | Neb. |
| 49 | Hans H. Anderson | 58 | head | Farmer | Iowa |
| 50 | Brunhild H. Anderson | 78 | mother | — | Iowa |
| 51 | Olaf A. Howie | 68 | head | Hired Hand | Iowa |
| 52 | Agatha S. Howie | 68 | wife | — | Norway |
| 53 | Anna S. Howie | 43 | daughter | Servant | Iowa |
| 54 | Elmer H. Howie | 40 | son | Laborer | Iowa |
| 55 | Walter A. Howie | 38 | son | — | Iowa |
| 56 | Iver M. Iverson | 36 | head | Farmer | Iowa |
| 57 | Albert O. Iverson | 64 | father | — | Iowa |
| 58 | Bertha Iverson | 67 | mother | — | Norway |
| 59 | Arnold B. Iverson | 32 | brother | Farmer | Iowa |
| 60 | Hazel L. Iverson | 28 | sister | — | Iowa |
| 61 | Arthur N. Iroe | 41 | head | Farmer | Iowa |
| 62 | Cora O. Iroe | 39 | wife | — | Minn. |
| 63 | Ruth L. Iroe | 13 | daughter | — | Minn. |
| 64 | Kenneth M. Iroe | 9 | son | — | Iowa |
| 65 | Violet E. Iroe | 7 | daughter | — | Iowa |
| 66 | Arnold C. Iroe | 3 | son | — | Iowa |
| 67 | Fredrick H. Anderson | 45 | head | Farmer | Iowa |
| 68 | Matilda Anderson THIS PERSON | 39 | wife | — | South Dakota |
| 69 | Clarice M. Anderson | 16 | daughter | — | Iowa |
| 70 | Robert J. Anderson | 10 | son | — | Iowa |
| 71 | Howard M. Anderson | 8 | son | — | Iowa |
| 72 | Oscar Tustveit | 51 | head | Farmer | Minn. |
| 73 | Annetta S. Tustveit | 49 | wife | — | Iowa |
| 74 | Apalyn C. Sondrol | 19 | niece | — | Minn. |
| 75 | Clair J. Sondrol | 17 | nephew | Laborer | Minn. |
| 76 | Sevor O. Svebak | 59 | head | Farmer | Iowa |
| 77 | Julia S. Svebak | 66 | wife | — | Iowa |
| 78 | Clarence J. Thrond | 60 | head | Farmer | Iowa |
| 79 | Theoline Thrond | 65 | wife | — | Iowa |
| 80 | Tonie S. Thrond | 37 | son | Farmer | 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)