RA
Ruth Alexander — 1930 US Census Record
Model Tree available1930 United States Federal Census · Hamilton, Ohio
Our Model Tree links this Ruth Alexander across the 1910, 1920 and 1930 US Censuses in Hamilton, Ohio (XGBoost, ~Confirmed), with identified parents Henry & Henry — first a daughter (b.~1909), then head of a 4-person household.
Age 21
b. ~1909
Female
Daughter
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hamilton, Ohio |
| Surname | Alexander |
| Given Name | Ruth |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Cincinnati City |
| Est. Birth Year | ~1909 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Mary Alexander | Other | — | 43 | ~1887 |
| Ruth Alexander | Daughter | — | 21 | ~1909 |
| Henry Alexander | Head | — | 56 | ~1874 |
| Henry Alexander | Son | — | 17 | ~1913 |
Census Appearances
1910
Hamilton, Ohio
Daughter, age 1
Hamilton, Ohio · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Ruth M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Hamilton, Ohio
Daughter, age 10
Hamilton, Ohio · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Ruth |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hamilton, Ohio
Daughter, age 21
Hamilton, Ohio · implied b. ~1909 — 4 household members
| Surname | Alexander |
| Given Name | Ruth |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Alexander across 3 US Census years (1910, 1920 and 1930) in Hamilton, Ohio, using XGBoost record linkage. Identified parents: father Henry Alexander (~0.92 confidence) and father Henry Alexander (~0.92 confidence) and mother Marie Alexander (~0.92 confidence) and mother Mayme Alexander (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Alexander
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Henry Alexander
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Marie Alexander
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Mayme Alexander
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Alexander
Daughter · 1930 · age 21 · b. ~1909 · Ohio
★ You are viewing this record
Sibling
Henry Alexander
Sibling · 1930 · age 17
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 — Hamilton, Ohio
Open full size
1930 US Federal Census — Hamilton, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1810:0165)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Sayer | 68 | Head | Teacher | Ohio |
| 2 | Mary E. Sayer | 53 | Wife-H | — | Ohio |
| 3 | William A. Sayer | 27 | Son | Salesman | Ohio |
| 4 | Mary E. Sayer | 13 | Daughter | — | Ohio |
| 5 | David Blanche | 65 | Roomer | Proof Reader | United States |
| 6 | Fred H. Schepmann | 41 | Head | Cutter | Ohio |
| 7 | Norma Schepmann | 40 | Wife-H | — | Ohio |
| 8 | Helen M. Schepmann | 13 | Daughter | — | Ohio |
| 9 | James Schepmann | 12 | Son | — | Ohio |
| 10 | George R. Haas | 50 | Head | Conductor | Indiana |
| 11 | Sama Haas | 45 | Wife-H | — | Indiana |
| 12 | Victor Haas | 21 | Son | — | Ohio |
| 13 | Randall Haas | 19 | Son | — | Ohio |
| 14 | Ralph Haas | 21 | Son | — | Ohio |
| 15 | Elmer Cook | 29 | Bro in law | Conductor | Indiana |
| 16 | Joseph Hizsch | 40 | Head | Photo Engrav | Ohio |
| 17 | Ruth Hizsch | 38 | Wife-H | — | Ohio |
| 18 | Dorothy Hizsch | 18 | Daughter | Stenographer | Ohio |
| 19 | Marjory Hizsch | 14 | Daughter | — | Ohio |
| 20 | Molly Welch | 65 | Mother in law | Shoe Worker | Ohio |
| 21 | Adeline Ampt | 76 | Head-H | — | Germany |
| 22 | Leonie Ampt | 45 | daughter | Manager | Ohio |
| 23 | Helen Ampt | 50 | daughter | Seamstress | Ohio |
| 24 | George Ampt | 40 | son | Machinist | Ohio |
| 25 | Henry Alexander | 56 | Head | Foreman | Ohio |
| 26 | Mary Alexander | 43 | wife-H | — | Ohio |
| 27 | Ruth Alexander THIS PERSON | 21 | daughter | — | Ohio |
| 28 | Henry Jr. Alexander | 17 | son | — | Ohio |
| 29 | Leonie F. James | 49 | Head-H | — | New Jersey |
| 30 | Antonia Bohmerdingel | 71 | Head-H | — | Germany |
| 31 | Martha Bohmerdingel | 33 | daughter | Office | Ohio |
| 32 | Fred Bonekamp | 61 | Lodger | Electrician | Germany |
| 33 | Ernest Gast | 32 | Lodger | Baker | Germany |
| 34 | Fred Squeri | 35 | Head | Salesman | Italy |
| 35 | Laura Squeri | 29 | Wife-H | — | Italy |
| 36 | Virginia Squeri | 3 | daughter | — | Ohio |
| 37 | Charlie Squeri | 1 | Son | — | Ohio |
| 38 | George Kuntz | 47 | Head | Musician | Ohio |
| 39 | Kathleen Kuntz | 43 | Wife-H | — | Ohio |
| 40 | Lester E. Detrich | 35 | Head | Salesman | Ohio |
| 41 | Margaret Detrich | 35 | Wife-H | — | Ohio |
| 42 | Mary Detrich | 17 | — | — | Ohio |
| 43 | Thomas Maher | 64 | Head | Bookkeeper | Ohio |
| 44 | Julia Maher | 55 | Wife-H | — | Indiana |
| 45 | Josephine Rumble | 55 | Head-H | — | Ohio |
| 46 | Paul H. Rumble | 45 | son | Salesman | Ohio |
| 47 | Mary E. Tidwell | 50 | Head-H | Maid | Georgia |
| 48 | Mose B. Jenkins | 63 | Boarder | Houseman | Kentucky |
| 49 | Harold W. Ballinger | 27 | Head | Contracting | Ohio |
| 50 | Alice G. Ballinger | 26 | Wife-H | Stenographer | Ohio |
Pedigree Summary
Ruth + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)