RC
Ruth Collins — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Black Hawk, Iowa
Our Model Tree links this Ruth Collins across the 1930 and 1940 US Censuses in Black Hawk, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 8-person household.
Age 35
b. ~1895
Female
Spouse
Born: Illinois
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Black Hawk, Iowa |
| Surname | Collins |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 17 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Fox Township |
| Est. Birth Year | ~1895 |
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 1930 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Marjorie Collins | Daughter | — | 6 | ~1924 |
| Bernice Collins | Daughter | — | 11 | ~1919 |
| George Collins | Head | — | 45 | ~1885 |
| Glen Collins | Son | — | 13 | ~1917 |
| Harry Collins | Son | — | 16 | ~1914 |
| Arthur Collins | Son | — | 18 | ~1912 |
| Mabel Collins | Daughter | — | 14 | ~1916 |
| Ruth Collins | Spouse | — | 35 | ~1895 |
Census Appearances
1930
Black Hawk, …
Spouse, age 35
Black Hawk, Iowa · implied b. ~1895 — 8 household members
| Surname | Collins |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 17 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Black-Hawk-County, Iowa
Spouse, age 46
Black-Hawk-County, Iowa · implied b. ~1894 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Rita Mae |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Fox Township |
| 1935 Residence (County) | Black Hawk |
| Hours Worked | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Ruth Collins across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruth Collins
Spouse · 1930 · age 35 · b. ~1895 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Black Hawk, Iowa
Open full size
1930 US Federal Census — Black Hawk, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel642:0299)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Agnes Pearsall | 54 | Head | — | Illinois |
| 52 | Gilbert Pearsall | 17 | Son | — | Iowa |
| 53 | William Janacek | 58 | Head | Farmer | Germany |
| 54 | Mattie K Janacek | 49 | Wife | — | Iowa |
| 55 | Monte R Albert | 43 | Head | Farmer | Iowa |
| 56 | Maggie J Albert | 36 | Wife | — | Iowa |
| 57 | Winifred Albert | 13 | Daughter | — | Iowa |
| 58 | Billie G Albert | 10 | Daughter | — | Iowa |
| 59 | Dorothy G Albert | 7 | Daughter | — | Iowa |
| 60 | Robert F Albert | 5 | Son | — | Iowa |
| 61 | Donald L Albert | 2 | Son | — | Iowa |
| 62 | Dale N Albert | 0 | Son | — | Iowa |
| 63 | Lottie J Livingston | 27 | Lodger | Laborer | Iowa |
| 64 | George W Collins | 45 | Head | Farmer | Illinois |
| 65 | Ruth Collins THIS PERSON | 35 | Wife | — | Illinois |
| 66 | Arthur Collins | 18 | Son | Laborer | Illinois |
| 67 | Harry Collins | 16 | Son | Laborer | Illinois |
| 68 | Mabel Collins | 14 | Daughter | — | Iowa |
| 69 | Glen Collins | 13 | Son | — | Iowa |
| 70 | Bernice Collins | 11 | Daughter | — | South Dakota |
| 71 | Marjorie Collins | 6 | Daughter | — | South Dakota |
| 72 | H. C. Shafer | 42 | Head | Farmer | Illinois |
| 73 | Mary Shafer | 39 | Wife | — | Iowa |
| 74 | Elda Shafer | 18 | Daughter | — | Iowa |
| 75 | Orvalle Shafer | 16 | Son | — | Iowa |
| 76 | Florence Shafer | 15 | Daughter | — | Iowa |
| 77 | Everett Shafer | 13 | Son | — | Iowa |
| 78 | Eileen Shafer | 7 | Daughter | — | Iowa |
| 79 | Madeline Shafer | 6 | Daughter | — | Iowa |
| 80 | Harold E Shafer | 4 | Son | — | Iowa |
| 81 | Robert Shafer | 2 | Son | — | Iowa |
| 82 | Fred Emert | 51 | Head | Farmer | Iowa |
| 83 | Edna Emert | 48 | Wife | — | Iowa |
| 84 | R. J. Harrington | 32 | Daughter | Laborer | Iowa |
| 85 | Ruby Harrington | 26 | Daughter | — | Iowa |
| 86 | Ruth I Perfect | 20 | Daughter | — | Iowa |
| 87 | Verna Perfect | 16 | Daughter | — | Iowa |
| 88 | L. J. Mallenbrook | 51 | Head | Farmer | Iowa |
| 89 | Alice L Mallenbrook | 46 | Wife | — | Iowa |
| 90 | Orville F Mallenbrook | 23 | Son | Laborer | Iowa |
| 91 | Ralph E Mallenbrook | 22 | Son | — | Iowa |
| 92 | Marjorie E Mallenbrook | 17 | Daughter | — | Iowa |
| 93 | Delbert L Mallenbrook | 16 | Son | — | Iowa |
| 94 | Gladys M Mallenbrook | 14 | Daughter | — | Iowa |
| 95 | Lilah A Mallenbrook | 10 | Daughter | — | Iowa |
| 96 | Bernadine M Mallenbrook | 7 | Daughter | — | Iowa |
| 97 | Charles Schmidt | 46 | Head | — | Iowa |
| 98 | Mary Schmidt | 44 | Wife | — | Iowa |
| 99 | Clarence D Schmidt | 21 | Son | Laborer | Iowa |
| 100 | Alfred P Schmidt | 17 | Son | — | Iowa |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)