WK
William Kelly — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jackson-County, Missouri
Our Model Tree links this William Kelly across the 1920, 1930 and 1940 US Censuses in Jackson-County, Missouri (XGBoost, ~Confirmed), with identified parents William & Daniel — first a son (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jackson-County, Missouri |
| Surname | Kelly |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Jackson |
| Additional Details | |
| Occupation | Assistant Manager |
| Industry | Theater |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 720 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Assistant Manager |
| Township / Ward | Kansas City |
| Est. Birth Year | ~1918 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Mary Kelly | Daughter | — | 23 | ~1917 |
| Katherine Kelly | Head | — | 52 | ~1888 |
| William Kelly | Son | — | 22 | ~1918 |
Census Appearances
1920
Jackson, Missouri
Son, age
Jackson, Missouri · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Germany |
| Mother Tongue | German |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Jackson, Missouri
Son, age 11
Jackson, Missouri · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | William J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Germany |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Jackson-County, Missouri
Son, age 22
Jackson-County, Missouri · implied b. ~1918 — 3 household members
| Surname | Kelly |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Jackson |
| Occupation | Assistant Manager |
| Industry | Theater |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 720 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 William Kelly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Kelly (~0.92 confidence) and father Daniel Kelly (~0.92 confidence) and mother Katherine Kelly (~0.92 confidence) and mother Catherine Kelly (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Kelly
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Daniel Kelly
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Katherine Kelly
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Catherine Kelly
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Kelly
Son · 1940 · age 22 · b. ~1918 · Missouri
★ You are viewing this record
Sibling
Mary Kelly
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 — Jackson-County, Missouri
Open full size
1940 US Federal Census — Jackson-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02180-00592)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elenna Kaiser | 56 | Wife | — | Wisconsin |
| 42 | Anne Kaiser | 27 | Daughter | Stenographer | Missouri |
| 43 | Albert Kaiser | 23 | Son | Clerk | Missouri |
| 44 | Katherine D. Kelly | 52 | Head | — | Germany |
| 45 | Mary Teresa Kelly | 23 | Daughter | Stenographer | Missouri |
| 46 | William J. Kelly THIS PERSON | 22 | Son | Assistant Manager | Missouri |
| 47 | Irene Allen | 41 | Head | — | Kansas |
| 48 | Thomas Allen | 17 | Son | — | Missouri |
| 49 | Margaret Mary Allen | 14 | Daughter | — | Missouri |
| 50 | James Allen | 12 | Son | — | Missouri |
| 51 | Catherine Allen | 10 | Daughter | — | Missouri |
| 52 | William Allen | 4 | Son | — | Missouri |
| 53 | August Hodes | 41 | Head | Salesman | Missouri |
| 54 | Reba Hodes | 37 | Wife | — | Missouri |
| 55 | John Hodes | 8 | Son | — | Missouri |
| 56 | Clifford Ryan | 34 | Head | Clerk | Illinois |
| 57 | Amelia Ryan | 33 | Wife | — | Missouri |
| 58 | Duane Ryan | 10 | Son | — | Missouri |
| 59 | Jeanie Ryan | 9 | Daughter | — | Missouri |
| 60 | Mary Browning | 55 | Head | — | Colorado |
| 61 | William Browning | 26 | Son | Mechanic | Missouri |
| 62 | Charles Browning | 21 | Son | Grocery Clerk | Missouri |
| 63 | Frank Hyatt | 56 | Head | Salesman | Missouri |
| 64 | Bessie Hyatt | 52 | Wife | — | Missouri |
| 65 | Elizabeth Hyatt | 20 | Daughter | Stenographer | Missouri |
| 66 | Mary Tuggle | 74 | Mother-in-law | Seamstress | Illinois |
| 67 | Harry Ray Hoffman | 45 | Head | Owner | Colorado |
| 68 | Constance Hoffman | 41 | Wife | Bookkeeper | Missouri |
| 69 | John Sima | 59 | Head | Grocer | Kansas |
| 70 | Teresa Sima | 54 | Wife | — | Kansas |
| 71 | Frank Kobel | 45 | Head | Pipe Threader | Missouri |
| 72 | Irene Kobel | 38 | Wife | — | Missouri |
| 73 | Amelia Kobel | 17 | Daughter | Waitress | Missouri |
| 74 | John Kobel | 15 | Son | — | Missouri |
| 75 | Harvey Kobel | 12 | Son | — | Missouri |
| 76 | Lorene Kobel | 6 | Daughter | — | Missouri |
| 77 | Fred H. Brink | 55 | Head | Manager | Illinois |
| 78 | Mabell Brink | 55 | Wife | — | Missouri |
| 79 | Bernard Brink | 25 | Son | Delivery Man | Missouri |
| 80 | Frederick Brink | 16 | Son | — | Missouri |
Pedigree Summary
William + 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 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)