RM
Ruth Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Ruth Martin across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents John & Rilla — first a daughter (b.~1916), then head of a 5-person household.
Age 24
b. ~1916
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Martin |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Office |
| Industry | Mfg Silks |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 960 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Office |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1916 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Martin | Daughter | — | 24 | ~1916 |
| Jane Martin | Daughter | — | 22 | ~1918 |
| John Martin | Head | — | 69 | ~1871 |
| Richard Martin | Son | — | 19 | ~1921 |
| Rilla Martin | Spouse | — | 67 | ~1873 |
Census Appearances
1920
Cook, Illinois
Daughter, age 4
Cook, Illinois · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Michigan |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 14
Cook, Illinois · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 24
Cook-County, Illinois · implied b. ~1916 — 5 household members
| Surname | Martin |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Office |
| Industry | Mfg Silks |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 960 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Martin (~0.92 confidence) and mother Rilla Martin (~0.92 confidence) and father John Martin (~0.92 confidence) and father John Martin (~0.92 confidence) and mother Willa Martin (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Martin
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Rilla Martin
b. ~1873
Source mother
● Household
· direct · ~0.92
Father
John Martin
b. ~1880
Source father
● Household
· direct · ~0.92
Father
John Martin
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Willa Martin
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Martin
Daughter · 1940 · age 24 · b. ~1916 · Illinois
★ You are viewing this record
Sibling
Richard Martin
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Martin
Sibling · 1940 · age 22
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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01000-00893)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anthony Accomando | 21 | Son | Assembler | Illinois |
| 42 | Andrew Accomando | 19 | Son | Helper | Illinois |
| 43 | Victor Accomando | 14 | Son | — | Illinois |
| 44 | Betty Accomando | 12 | Daughter | — | Illinois |
| 45 | Joan Accomando | 9 | Daughter | — | Illinois |
| 46 | Fred Accomando | 6 | Son | — | Illinois |
| 48 | Ernest Dennen | 29 | Head | Sales Manager | Illinois |
| 49 | Rose Dennen | 33 | Wife | — | Illinois |
| 50 | Barry Dennen | 2 | Son | — | Illinois |
| 51 | Helen Blazek | 18 | Housemaid | Housemaid | Michigan |
| 52 | Verdine Rawson | 38 | Head | Clerk | Iowa |
| 53 | Dorothy Rawson | 34 | Wife | — | Iowa |
| 54 | William Rawson | 11 | Son | — | Iowa |
| 55 | Roscoe F. Murphy | 36 | Head | Financing | Illinois |
| 56 | Gladys Murphy | 32 | Wife | Switchboard Operator | Illinois |
| 57 | Ernest Murphy | 9 | Son | — | Illinois |
| 58 | Euphemia Nix | 60 | Mother in law | — | Canada |
| 59 | Alvin A. Thompson | 41 | Head | Station Installer | Wisconsin |
| 60 | Margaret Thompson | 32 | Wife | — | Illinois |
| 61 | Corinne Thompson | 14 | Daughter | — | Illinois |
| 62 | John H. Martin | 69 | Head | Foreman | Ohio |
| 63 | Rilla M. Martin | 67 | Wife | — | Michigan |
| 64 | Ruth Martin THIS PERSON | 24 | Daughter | Office | Illinois |
| 65 | Jane Martin | 22 | Daughter | Office | Illinois |
| 66 | Richard Martin | 19 | Son | — | Illinois |
| 67 | Bernard T. Walsh | 45 | Head | Manager | Illinois |
| 68 | Laura J. Walsh | 45 | Wife | Clerk | Illinois |
| 69 | Catherine Walsh | 30 | Daughter | Beauty Operator | Indiana |
| 70 | Otto Ortmann | 35 | Head | Printer | Illinois |
| 71 | Elizabeth Ortmann | 71 | Mother | — | Germany |
| 72 | William Ortmann | 27 | Son | Foreman | Illinois |
| 73 | Helen Thomas | 30 | Daughter | Home Work | Illinois |
| 74 | Paul Manteufel | 54 | Head | Salesman | Illinois |
| 75 | Florence Manteufel | None | Wife | — | Illinois |
| 76 | Clara M. Miller | None | Head | — | Wisconsin |
| 77 | Hazel A. Miller | None | Daughter | Secretary | Illinois |
| 78 | Michael Gburek | 42 | Head | Paper Cutter | Illinois |
| 79 | Blanche Gburek | 47 | Wife | — | Illinois |
| 80 | Dorothy Gburek | 18 | Daughter | — | Illinois |
Pedigree Summary
Ruth + 2 siblings
Gen 1 · 5 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)