CR
Clara Robinson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Black-Hawk-County, Iowa
Our Model Tree links this Clara Robinson across the 1930 and 1940 US Censuses in Black-Hawk-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 8-person household.
Age 40
b. ~1900
Female
Spouse
Born: Nebraska
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Black-Hawk-County, Iowa |
| Surname | Robinson |
| Given Name | Clara M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (County) | Black Hawk |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Township / Ward | Waterloo City |
| Est. Birth Year | ~1900 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Clara | Age | Birth yr |
|---|---|---|---|---|
| Louis Robinson | Son | — | 4 | ~1936 |
| Sarah Robinson | Daughter | — | 8 | ~1932 |
| Lyman Robinson | Head | — | 43 | ~1897 |
| Lois Robinson | Daughter | — | 15 | ~1925 |
| Mary Robinson | Daughter | — | 14 | ~1926 |
| Mildred Robinson | Daughter | — | 17 | ~1923 |
| Robert Robinson | Son | — | 11 | ~1929 |
| Clara Robinson | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Black Hawk, …
Spouse, age 33
Black Hawk, Iowa · implied b. ~1897 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Clara H. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Nebraska |
| Age at First Marriage | 25 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Black-Hawk-County, Iowa
Spouse, age 40
Black-Hawk-County, Iowa · implied b. ~1900 — 8 household members
| Surname | Robinson |
| Given Name | Clara M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (County) | Black Hawk |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 Clara Robinson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Clara Robinson
Spouse · 1940 · age 40 · b. ~1900 · 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 — Black-Hawk-County, Iowa
Open full size
1940 US Federal Census — Black-Hawk-County, Iowa
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01140-00915)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ruth A Landau | 3 | Daughter | — | Iowa |
| 42 | Carl O Landau | 31 | Head | 80 | Iowa |
| 43 | Marion Landau | 31 | Wife | 14 | Iowa |
| 44 | Kathleen M Landau | 7 | Daughter | — | Iowa |
| 45 | Robert C Landau | 2 | Son | — | Iowa |
| 46 | Eugene J Mulvehill | 28 | Head | 42 | Iowa |
| 47 | Frances E Mulvehill | 26 | Wife | 40 | Iowa |
| 48 | Sue A Mulvehill | 0 | Daughter | — | Iowa |
| 49 | Lyman M Robinson | 43 | Head | 52 | Iowa |
| 50 | Clara M Robinson THIS PERSON | 40 | Wife | — | Nebraska |
| 51 | Mildred L Robinson | 17 | Daughter | — | Nebraska |
| 52 | Lois M Robinson | 15 | Daughter | — | Iowa |
| 53 | Mary E Robinson | 14 | Daughter | — | Iowa |
| 54 | Robert A Robinson | 11 | Son | — | Iowa |
| 55 | Sarah J Robinson | 8 | Daughter | — | Iowa |
| 56 | Louis A Robinson | 4 | Son | — | Iowa |
| 58 | Nellie A Morten | 71 | Head | — | Kansas |
| 59 | Irene Paston | 52 | Lodger | 52 | Iowa |
| 60 | Alfred C Belle | 65 | Head | 48 | Ill. |
| 61 | Pearl Belle | 64 | Wife | — | Wisconsin |
| 62 | Dorothy B Prime | 47 | Head | — | Illinois |
| 63 | John H Mulhern | 42 | Son-in-law | 48 | Iowa |
| 64 | Katherine Mulhern | 31 | Daughter | — | Iowa |
| 65 | Florence S Small | 73 | Head | — | Illinois |
| 66 | Helen S Pierce | 25 | Granddaughter | 60 | Iowa |
| 67 | Margaret Pierce | 50 | Head | — | New York |
| 68 | Elmer M Paige | 67 | Head | 52 | New York |
| 69 | Vinnie L Paige | 63 | Wife | — | Iowa |
| 70 | R Leonard | 25 | Son | 40 | Iowa |
| 71 | Charles G Potter | 50 | Head | 52 | Iowa |
| 72 | Goldie Potter | 44 | Wife | — | Iowa |
| 73 | Benjamin Oremba | 34 | Head | 48 | Minnesota |
| 74 | John L Oremba | 16 | Son | — | Minnesota |
| 75 | Lucile E Scoby | 32 | Sister | 48 | Minnesota |
| 76 | Betty Buckendahl | 25 | Lodger | 60 | Iowa |
| 77 | George H Turner | 22 | Head | 44 | Iowa |
| 78 | Irene H Turner | 20 | Wife | — | Montana |
| 79 | Edward Richard | 27 | Head | 40 | Iowa |
| 80 | Dora Richard | 21 | Wife | — | Iowa |
Related Census Records
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)