RD
Ruby Davis — 1930 US Census Record
Linked across censuses1930 United States Federal Census · None, None
Our Model Tree links this Ruby Davis across the 1920 and 1930 US Censuses (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 14-person household.
Age 13
b. ~1917
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | None, None |
| Surname | Davis |
| Given Name | Ruby M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Est. Birth Year | ~1917 |
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.
14 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Ruby | Age | Birth yr |
|---|---|---|---|---|
| Emma Davis | Daughter | — | 4 | ~1926 |
| Martha Davis | Daughter | — | 6 | ~1924 |
| C Pullen | Daughter | — | 13 | ~1917 |
| Lydia Clement | Daughter | — | 41 | ~1889 |
| Ruby Davis | Daughter | — | 13 | ~1917 |
| C Jackson | Head | — | 27 | ~1903 |
| Mary Davis | Other | — | 38 | ~1892 |
| Lois Jackson | Other | — | 26 | ~1904 |
| Eliza Clement | Other | — | 74 | ~1856 |
| Regina Nelson | Other | — | 53 | ~1877 |
| Theodore Nelson | Son | — | 15 | ~1915 |
| George Davis | Son | — | 15 | ~1915 |
| James Jackson | Son | — | 1 | ~1929 |
| S Clement | Son | — | 37 | ~1893 |
Census Appearances
1920
None, None
Other, age 3
None, None · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Ruby H. |
| Relationship to Head | Grand Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
None, None
Daughter, age 13
None, None · implied b. ~1917 — 14 household members
| Surname | Davis |
| Given Name | Ruby M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | 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 Ruby Davis across 2 US Census years (1920 and 1930) in None, None, using XGBoost record linkage.
Show:
This person
Anchor record
Ruby Davis
Daughter · 1930 · age 13 · b. ~1917 · None
★ You are viewing this record
Sibling
Martha Davis
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Davis
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
C Pullen
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lydia Clement
Sibling · 1930 · age 41
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Jackson
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodore Nelson
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
S Clement
Sibling · 1930 · age 37
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Davis
Sibling · 1930 · age 4
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 — None, None
Open full size
1930 US Federal Census — None, None
Page Contents
44 people indexed on this census page (ia:1930:iowacensus00reel686:0388)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary D. | 49 | — | — | Iowa |
| 2 | Frankie H. | 19 | Son | Truck Driver | Iowa |
| 3 | Helen | 16 | Daughter | — | Iowa |
| 4 | M. Louise | 11 | Daughter | — | Iowa |
| 5 | Elizabeth Mcgrath | 57 | Head-H | — | Iowa |
| 6 | Ed J. Murphy | 46 | Head | Drayman | Iowa |
| 7 | M. Maude Murphy | 40 | Wife-H | — | Iowa |
| 8 | Margaret Murphy | 77 | Mother | — | Iowa |
| 9 | Gale Booth | 29 | Head | Mechanic | Iowa |
| 10 | Hazel Booth | 31 | Wife-H | — | Iowa |
| 11 | Russell E. Booth | 7 | Son | — | Iowa |
| 12 | Worth E. Booth | 5 | Son | — | Iowa |
| 13 | Marilyn A. Booth | 3 | Daughter | — | Iowa |
| 14 | Madelyn D. Booth | 3 | Daughter | — | Iowa |
| 15 | Loyd L. Martin | 32 | Head | Manager | Iowa |
| 16 | Ethel F. Martin | 29 | Wife-H | — | Iowa |
| 17 | Edith J. Martin | 9 | Daughter | — | Iowa |
| 19 | Lottie S. Linton | 35 | Wife-H | — | Missouri |
| 20 | Boyd, Lawrence S. Linton | 10 | Step-son | — | Iowa |
| 21 | Linton, Marjorie E. Linton | 7 | Daughter | — | Iowa |
| 22 | S. Elmer Davidson | 43 | Head | Laborer | Iowa |
| 23 | Ida J. Davidson | 44 | Wife-H | — | Iowa |
| 24 | Gaye E. Davidson | 17 | Daughter | — | Iowa |
| 25 | Harold A. Davidson | 10 | Nephew | — | Iowa |
| 27 | Margaret A. Patrick | 43 | Wife-H | — | Missouri |
| 28 | William E. Spencer | 59 | Head | Medical Doctor | Maryland |
| 29 | Bertha E. Spencer | 56 | Wife-H | — | Iowa |
| 30 | Martha B. Spencer | 11 | Daughter | — | Iowa |
| 31 | George L. Stargis | 52 | Head | Farmer | Iowa |
| 32 | Adelaide, Mary Stargis | 44 | Sister-H | Housekeeper | Iowa |
| 33 | C. Lowell Jackson | 27 | Head | Proprietor | Iowa |
| 34 | Lois E. Jackson | 26 | Wife-H | — | Iowa |
| 35 | James L. Jackson | 1 | Son | — | Iowa |
| 37 | Eliza J. Clement | 74 | Wife-H | — | Iowa |
| 38 | Lydia E. Clement | 41 | Daughter | Clerk | Iowa |
| 39 | S. Homer Clement | 37 | Son | Truck Driver | Iowa |
| 41 | Mary E. Davis | 38 | Wife-H | — | Iowa |
| 42 | George E. Davis | 15 | Son | — | Iowa |
| 43 | Ruby M. Davis THIS PERSON | 13 | Daughter | — | Iowa |
| 44 | Martha J. Davis | 6 | Daughter | — | Iowa |
| 45 | Emma J. Davis | 4 | Daughter | — | Iowa |
| 47 | Regina M. Nelson | 53 | Wife-H | Laundress | Iowa |
| 48 | Theodore Nelson | 15 | Son | — | Iowa |
| 50 | C. Louise Pullen | 13 | Daughter | — | 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)