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Katherine Kelly — 1940 US Census Record
Model Tree available1940 United States Federal Census · Logan-County, Illinois
Our Model Tree links this Katherine Kelly across the 1920, 1930 and 1940 US Censuses in Logan-County, Illinois (XGBoost, ~Confirmed), with identified parents Bridget & Mary — first a daughter (b.~1897), then head of a 3-person household.
Age 43
b. ~1897
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Logan-County, Illinois |
| Surname | Kelly |
| Given Name | Katherine |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Lincoln City |
| 1935 Residence (County) | Logan |
| Additional Details | |
| Occupation | stenographer |
| Industry | state school |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 236 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Stenographer |
| Township / Ward | Lincoln City |
| Est. Birth Year | ~1897 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Katherine | Age | Birth yr |
|---|---|---|---|---|
| Mary Kelly | Daughter | — | 42 | ~1898 |
| Katherine Kelly | Daughter | — | 43 | ~1897 |
| Mary Kelly | Head | — | 67 | ~1873 |
Census Appearances
1920
Logan, Illinois
Daughter, age 23
Logan, Illinois · implied b. ~1897 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Kathryn R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | England |
| Mother's Birthplace | Illinois |
| Occupation | Stenographer |
| Industry | Insurance Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Logan, Illinois
Daughter, age 33
Logan, Illinois · implied b. ~1897 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | England |
| Mother's Birthplace | Illinois |
| Occupation | Stenographer |
| Industry | State School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Logan-County, Illinois
Daughter, age 43
Logan-County, Illinois · implied b. ~1897 — 3 household members
| Surname | Kelly |
| Given Name | Katherine |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Lincoln City |
| 1935 Residence (County) | Logan |
| Occupation | stenographer |
| Industry | state school |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 236 |
| Highest Grade | H-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 Katherine Kelly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Bridget Kelly (~0.92 confidence) and mother Mary Kelly (~0.92 confidence) and mother Mary Kelly (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Bridget Kelly
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Mary Kelly
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Mary Kelly
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Katherine Kelly
Daughter · 1940 · age 43 · b. ~1897 · Illinois
★ You are viewing this record
Sibling
Mary Kelly
Sibling · 1940 · age 42
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 — Logan-County, Illinois
Open full size
1940 US Federal Census — Logan-County, Illinois
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-00838-00142)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Betty Jane Jarrell | 2 | daughter | — | Illinois |
| 42 | Joe Carr | 34 | head | Salesman | Illinois |
| 43 | Edna Carr | 21 | wife | — | Illinois |
| 44 | Donald Lee Carr | 2 | son | — | Illinois |
| 45 | Laura Dunerey | 70 | lodger | — | Illinois |
| 46 | Mildred Brennan | 50 | head | Stenographer | Ohio |
| 47 | Mary Brennan | 30 | daughter | Stenographer | Illinois |
| 48 | R. H. Zellhofer | 55 | head | Linotype | Iowa |
| 49 | Bessie Zellhofer | 51 | wife | — | Illinois |
| 50 | Carl Zellhofer | 29 | daughter | Teleph. Op. | Illinois |
| 51 | Mary Zellhofer | 21 | daughter | Waitress | Illinois |
| 52 | Rebecca Parker | 87 | lodger | — | Ohio |
| 53 | Stuart Roberts | 69 | head | Janitor | Indiana |
| 54 | Frances Roberts | 63 | wife | — | Indiana |
| 55 | Helen Roberts | 28 | daughter | Housework | Illinois |
| 56 | Theodore Hoagland | 66 | head | — | Illinois |
| 57 | Leona Hoagland | 55 | wife | — | Iowa |
| 58 | Harvey Hoagland | 35 | son | Truck-Driver | Illinois |
| 59 | Loren Hoagland | 16 | son | — | Illinois |
| 60 | Raymond Brewer | 57 | head | Mail Carrier | Illinois |
| 61 | Edna Brewer | 46 | wife | — | Illinois |
| 62 | James Brewer | 22 | daughter | — | Illinois |
| 63 | Harold Vann | 36 | head | Owner | Illinois |
| 64 | Fay Vann | 34 | wife | — | Illinois |
| 65 | Barbara Vann | 7 | daughter | — | Illinois |
| 66 | Jimmy Vann | 5 | son | — | Illinois |
| 67 | Cecil Lloyd | 51 | head | Painter | Kentucky |
| 68 | Iva Lloyd | 52 | wife | — | Illinois |
| 69 | Charles Lloyd | 23 | son | Painter | Illinois |
| 70 | Kenneth Lloyd | 22 | son | Painter | Illinois |
| 71 | Carroll Lloyd | 16 | son | — | Illinois |
| 72 | Mary Kelly | 67 | head | — | Illinois |
| 73 | Katherine Kelly THIS PERSON | 43 | daughter | Stenographer | Illinois |
| 74 | Mary Kelly | 42 | daughter | Stenographer | Illinois |
| 75 | Ival Bateman | 44 | head | Storekeeper | Illinois |
| 76 | Mabel Bateman | 40 | wife | — | Illinois |
| 77 | Helen Bateman | 10 | daughter | — | Illinois |
Pedigree Summary
Katherine + 1 sibling
Gen 1 · 3 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)