RC
Ruth Cooper — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Hughes, South Dakota
Our Model Tree links this Ruth Cooper across the 1920 and 1930 US Censuses in Hughes, South Dakota (XGBoost, ~Confirmed) — first a daughter (b.~1914), then head of a 10-person household.
Age 16
b. ~1914
Female
Daughter
Born: South Dakota
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hughes, South Dakota |
| Surname | Cooper |
| Given Name | Ruth E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | South Dakota |
| Mother's Birthplace | South Dakota |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Township / Ward | De Grey Township |
| Est. Birth Year | ~1914 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Cooper | Daughter | — | 16 | ~1914 |
| Fred Cooper | Other | — | 40 | ~1890 |
| Ernest Cooper | Son | — | 14 | ~1916 |
| Edith Cooper | Spouse | — | 40 | ~1890 |
| Walter Cooper | Other | — | 45 | ~1885 |
| Eva Cooper | Daughter | — | 10 | ~1920 |
| Billy Cooper | Son | — | 6 | ~1924 |
| James Cooper | Head | — | 44 | ~1886 |
| Warren Cooper | Son | — | 13 | ~1917 |
| Cora Cooper | Daughter | — | 19 | ~1911 |
Census Appearances
1920
Hughes, South …
Daughter, age 6
Hughes, South Dakota · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Ruth E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | South Dakota |
| Mother's Birthplace | South Dakota |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1930
Hughes, South …
Daughter, age 16
Hughes, South Dakota · implied b. ~1914 — 10 household members
| Surname | Cooper |
| Given Name | Ruth E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | South Dakota |
| Mother's Birthplace | South Dakota |
| Can Read/Write | Yes |
| 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 Ruth Cooper across 2 US Census years (1920 and 1930) in Hughes, South Dakota, using XGBoost record linkage.
Show:
This person
Anchor record
Ruth Cooper
Daughter · 1930 · age 16 · b. ~1914 · South Dakota
★ You are viewing this record
Sibling
Ernest Cooper
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eva Cooper
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cora Cooper
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Warren Cooper
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billy Cooper
Sibling · 1930 · age 6
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
1930 US Federal Census — Hughes, South Dakota
Open full size
1930 US Federal Census — Hughes, South Dakota
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2224unit:0761)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Logan A Duff | 60 | Head | Farmer | Illinois |
| 2 | John R Duff | 11 | Son | — | Minnesota |
| 3 | Fred A Rody | 62 | Head | Farmer | Wisconsin |
| 4 | Marie R Rody | 48 | Wife | — | Minnesota |
| 5 | Arvam Olson | 29 | Daughter | Teacher | South Dakota |
| 6 | Mildred S Roda | 23 | Daughter | — | South Dakota |
| 7 | Irma R Roda | 18 | Daughter | — | South Dakota |
| 8 | Vern A Roda | 17 | Son | — | South Dakota |
| 9 | Irene C M Roda | 14 | Daughter | — | South Dakota |
| 10 | Kasseth M Byrum | 77 | Head | Farmer | Illinois |
| 11 | Eva A Byrum | 56 | Wife | — | Iowa |
| 12 | Paul J Byrum | 30 | Son | Farmer | Iowa |
| 13 | Ray A Byrum | 21 | Son | Farmer | Iowa |
| 14 | Mary E Byrum | 18 | Daughter | — | South Dakota |
| 15 | Lee Roy Byrum | 16 | Son | — | South Dakota |
| 16 | William H Harvey | 27 | Head | Farmer | South Dakota |
| 17 | Mary G Harvey | 21 | Wife | — | South Dakota |
| 18 | Dorothy G Harvey | 0 | Daughter | — | South Dakota |
| 19 | Amos R Bartlett | 34 | Head | Farmer | Illinois |
| 20 | Alice M Bartlett | 31 | Wife | — | South Dakota |
| 21 | Robert Bartlett | 7 | Son | — | South Dakota |
| 22 | Wayne F Bartlett | 6 | Son | — | South Dakota |
| 23 | Bette M Bartlett | 4 | Daughter | — | South Dakota |
| 24 | Emma Reeves | 75 | Grandmother | — | Pennsylvania |
| 25 | Charles Bowman | 35 | Head | Garage Owner | Wisconsin |
| 26 | Mintie A Bowman | 27 | Wife | — | South Dakota |
| 27 | Marie D Bowman | 4 | Daughter | — | South Dakota |
| 28 | Charles L Bowman | 2 | Son | — | South Dakota |
| 29 | Mary A Bowman | 0 | Daughter | — | South Dakota |
| 30 | James L Cooper | 44 | Head | Farmer | South Dakota |
| 31 | Edith E Cooper | 40 | Wife | — | South Dakota |
| 32 | Cora S Cooper | 19 | Daughter | — | South Dakota |
| 33 | Ruth E Cooper THIS PERSON | 16 | Daughter | — | South Dakota |
| 34 | Ernest E Cooper | 14 | Son | — | South Dakota |
| 35 | Warren W Cooper | 13 | Son | — | South Dakota |
| 36 | Eva M Cooper | 10 | Daughter | — | South Dakota |
| 37 | Billy Cooper | 6 | Son | — | South Dakota |
| 38 | Walter S Cooper | 45 | Brother | Storekeeper | South Dakota |
| 39 | Fred C Cooper | 40 | Brother | Storekeeper | South Dakota |
| 40 | Frank T Hoard | 75 | Head | Farmer | Wisconsin |
| 41 | Lucy E Hoard | 71 | Wife | — | Minnesota |
| 42 | Kenneth F Hoard | 12 | Grandson | — | South Dakota |
| 43 | Harry H Hoard | 11 | Grandson | — | South Dakota |
| 44 | Ray W Lukes | 40 | Head | Farmer | Indiana |
| 45 | Maud E Lukes | 39 | Wife | — | Iowa |
| 46 | Hazel E Lukes | 16 | Daughter | — | South Dakota |
| 47 | Harriet L Lukes | 15 | Daughter | — | South Dakota |
| 48 | Bernard L Lukes | 11 | Son | — | South Dakota |
| 49 | Lois M Lukes | 3 | Daughter | — | South Dakota |
| 50 | June L Lukes | 2 | Daughter | — | South Dakota |
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)