RA
Ruth Alexander — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lucas-County, Ohio
Our Model Tree links this Ruth Alexander across the 1920, 1930 and 1940 US Censuses in Lucas-County, Ohio (XGBoost, ~Confirmed), with identified parents Charles & William — first a daughter (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lucas-County, Ohio |
| Surname | Alexander |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Lucas |
| 1935 Residence (County) | Lucas |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Office Equipment |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 720 |
| Highest Grade | H 4 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Bookkeeper |
| Township / Ward | Toledo |
| Est. Birth Year | ~1915 |
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 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Alexander | Daughter | — | 25 | ~1915 |
| Charles Alexander | Head | — | 46 | ~1894 |
| Ethel Alexander | Spouse | — | 47 | ~1893 |
| Marjorie Alexander | Daughter | — | 23 | ~1917 |
Census Appearances
1920
Lucas, Ohio
Daughter, age 3
Lucas, Ohio · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Lucas, Ohio
Daughter, age 14
Lucas, Ohio · implied b. ~1916 — 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 | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Lucas-County, Ohio
Daughter, age 25
Lucas-County, Ohio · implied b. ~1915 — 4 household members
| Surname | Alexander |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Lucas |
| 1935 Residence (County) | Lucas |
| Occupation | Bookkeeper |
| Industry | Office Equipment |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 720 |
| Highest Grade | H 4 |
| 1935 Residence | Ohio |
| 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 (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Alexander (~0.92 confidence) and father William Alexander (~0.92 confidence) and father William Alexander (~0.92 confidence) and mother Alice Alexander (~0.92 confidence) and mother Elsa Alexander (~0.92 confidence) and mother Ethel Alexander (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Alexander
b. ~1894
Source father
● Household
· direct · ~0.92
Father
William Alexander
b. ~1896
Source father
● Household
· direct · ~0.92
Father
William Alexander
b. ~1896
Source father
● Household
· direct · ~0.92
Mother
Alice Alexander
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Elsa Alexander
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Ethel Alexander
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Alexander
Daughter · 1940 · age 25 · b. ~1915 · Ohio
★ You are viewing this record
Sibling
Marjorie Alexander
Sibling · 1940 · age 23
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 — Lucas-County, Ohio
Open full size
1940 US Federal Census — Lucas-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03266-00362)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frances Tyner | 36 | Wife | Stenographer | Indiana |
| 42 | Donald H. Brighton | 31 | Head | Proprietor | Ohio |
| 43 | Irene Brighton | 31 | Wife | — | Ohio |
| 44 | Donna Jean Brighton | 7 | Daughter | — | Ohio |
| 45 | James R. Brighton | 5 | Son | — | Ohio |
| 46 | Elaine S. Brighton | 1 | Daughter | — | Ohio |
| 47 | John H. Montgomery | 50 | Head | Proprietor | Canada |
| 48 | Genevieve Montgomery | 57 | Wife | — | New York |
| 49 | Laura Arquette | 49 | Head | — | Ohio |
| 50 | Richard Arquette | 21 | Son | — | Ohio |
| 51 | Agnes Lyons | 70 | Roomer | — | Canada |
| 52 | Chester G. Case | 41 | Head | Carpenter | Ohio |
| 53 | Norma Case | 37 | Wife | — | Ohio |
| 54 | George B. Rumschlag | 53 | Head | Mechanic | Ohio |
| 55 | Rose E. Rumschlag | 53 | Wife | — | Ohio |
| 56 | E. H. Manley | 53 | Head | Stationary Engineer | Ohio |
| 57 | Dolly Manley | 52 | Wife | — | Ohio |
| 58 | Mary Ellen Manley | 15 | Daughter | — | Iowa |
| 59 | James Grammond | 42 | Head | Machinist | Scotland |
| 60 | Susan Grammond | 40 | Wife | — | Scotland |
| 61 | Helen Grammond | 13 | Daughter | — | Ohio |
| 62 | James Grammond | 10 | Son | — | Ohio |
| 63 | David Grammond | 6 | Son | — | Ohio |
| 64 | Charles J. Alexander | 46 | Head | Boiler Maker Foreman | Ohio |
| 65 | Ethel Alexander | 47 | Wife | — | Ohio |
| 66 | Ruth Alexander THIS PERSON | 25 | Daughter | Bookkeeper | Ohio |
| 67 | Marjorie Alexander | 23 | Daughter | Office Clerk | Ohio |
| 68 | Carl Schenck | 51 | Head | Proprietor | Ohio |
| 69 | Laura Schenck | 50 | Wife | — | Ohio |
| 70 | Harry F. Clark | 62 | Head | Conductor | Ohio |
| 71 | Mae Clark | 52 | Wife | — | Ohio |
| 72 | Darrell R. Clark | 37 | Son | Splitter | Ohio |
| 73 | Ralph H. Jeffers | 50 | Head | Iron Worker | Ohio |
| 74 | Lila D. Jeffers | 48 | Wife | — | Ohio |
| 75 | Charles Jeffers | 21 | Son | Order Taker | Ohio |
| 76 | Josephine Phelan | 61 | Head | — | Michigan |
| 77 | — | None | — | — | — |
| 78 | Edward P. Bihl | 46 | Head | Foreman | Ohio |
| 79 | Agnes L. Bihl | 42 | Wife | — | Ohio |
| 80 | Virginia M. Bihl | 23 | Daughter | Clerk | Ohio |
Pedigree Summary
Ruth + 1 sibling
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)