RM
Ruth Moore — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Black-Hawk-County, Iowa
Our Model Tree links this Ruth Moore across the 1930 and 1940 US Censuses in Black-Hawk-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 11-person household.
Age 15
b. ~1925
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Black-Hawk-County, Iowa |
| Surname | Moore |
| Given Name | Ruth |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Waterloo |
| 1935 Residence (County) | Black Hawk |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Waterloo City |
| Est. Birth Year | ~1925 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Zevola Moore | Daughter | — | 9 | ~1931 |
| Ollie Moore | Daughter | — | 16 | ~1924 |
| Lula Moore | Daughter | — | 10 | ~1930 |
| Ruth Moore | Daughter | — | 15 | ~1925 |
| Vernita Moore | Daughter | — | 17 | ~1923 |
| Benny Moore | Head | — | 49 | ~1891 |
| Merrill Moore | Son | — | 5 | ~1935 |
| Benny Moore | Son | — | 19 | ~1921 |
| James Moore | Son | — | 12 | ~1928 |
| Francis Moore | Son | — | 11 | ~1929 |
| Etta Moore | Spouse | — | 45 | ~1895 |
Census Appearances
1930
Black Hawk, …
Daughter, age 5
Black Hawk, Iowa · implied b. ~1925 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Moore |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Black-Hawk-County, Iowa
Daughter, age 15
Black-Hawk-County, Iowa · implied b. ~1925 — 11 household members
| Surname | Moore |
| Given Name | Ruth |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Waterloo |
| 1935 Residence (County) | Black Hawk |
| Highest Grade | 8 |
| 1935 Residence | Iowa |
| 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 Ruth Moore across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruth Moore
Daughter · 1940 · age 15 · b. ~1925 · Iowa
★ You are viewing this record
Sibling
Ollie Moore
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vernita Moore
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lula Moore
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Moore
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Benny Moore
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Zevola Moore
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Merrill Moore
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Moore
Sibling · 1940 · age 12
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
1940 US Federal Census — Black-Hawk-County, Iowa
Open full size
1940 US Federal Census — Black-Hawk-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01140-01131)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sadie Sodder | 48 | wife | Maid | Missouri |
| 2 | Willie Mcphee | 29 | Lodger | Builder | Missouri |
| 3 | — | None | Lodger | — | — |
| 4 | Harry Bell | 50 | Head | Blacksmith | Mississippi |
| 5 | Betty Bell | 18 | daughter | — | Iowa |
| 6 | Lillian Bogert | 20 | Lodger | Housekeeper | Tennessee |
| 7 | Russell | 23 | Lodger | — | Mississippi |
| 8 | John Hollingworth | 23 | Head | Casing | Mississippi |
| 9 | Dora Hollingworth | 25 | wife | — | Kentucky |
| 10 | John Hollingworth | 11 | son | — | Iowa |
| 11 | Alice Hollingworth | 9 | daughter | — | Iowa |
| 12 | Mildred Hollingworth | 7 | daughter | — | Iowa |
| 13 | Betty Hollingworth | 5 | daughter | — | Iowa |
| 14 | Dora Hollingworth | 2 | daughter | — | Iowa |
| 15 | Joan Hollingworth | 2 | daughter | — | Iowa |
| 16 | Robert Macdonald | 22 | Head | Washer | Mississippi |
| 17 | Elynor Macdonald | 23 | wife | — | Iowa |
| 18 | Robert Macdonald | 3 | son | — | Iowa |
| 19 | Richard Macdonald | 2 | son | — | Iowa |
| 20 | Benny Moore | 49 | Head | Laborer | Virginia |
| 21 | Etta Moore | 45 | wife | — | Iowa |
| 22 | Benny Moore | 19 | son | — | Iowa |
| 23 | Ollie Moore | 16 | daughter | — | Iowa |
| 24 | Vernita Moore | 17 | daughter | — | Iowa |
| 25 | Ruth Moore THIS PERSON | 15 | daughter | — | Iowa |
| 26 | James Moore | 12 | son | — | Iowa |
| 27 | Francis Moore | 11 | son | — | Iowa |
| 28 | Lula Moore | 10 | daughter | — | Iowa |
| 29 | Zevola Moore | 9 | daughter | — | Iowa |
| 30 | Merrill Moore | 5 | son | — | Iowa |
| 31 | Julia Beaver | 59 | Head | — | Missouri |
| 32 | Herman Beaver | 30 | son | — | Iowa |
| 33 | Lester Beaver | 25 | son | Log Turner | Iowa |
| 34 | James Eaton | 26 | Head | Janitor | Mississippi |
| 35 | Bessie Eaton | 20 | wife | — | Alabama |
| 36 | Tom Barrett | 38 | Head | Butcher | Mississippi |
| 37 | Linnie Barrett | 46 | wife | — | Texas |
| 38 | Joseph Barrett | 13 | son | — | Iowa |
| 39 | Benny Barrett | 12 | son | — | Iowa |
| 40 | James Dardin | 23 | Head | Washer | Mississippi |
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)