JK
John Kelly — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this John Kelly across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents John & Sarah — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Kelly |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| Additional Details | |
| Occupation | Furn. Foreman Rod Mill |
| Industry | Steel Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 316 |
| Highest Grade | H 4 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Furn. Foreman Rod Mill |
| Township / Ward | Baltimore 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Bernard Kelly | Head | — | 46 | ~1894 |
| James Mcnicholas | Other | — | 28 | ~1912 |
| John Kelly | Son | — | 22 | ~1918 |
| William Kelly | Son | — | 18 | ~1922 |
| Marie Kelly | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Baltimore, Maryland
Son, age 2
Baltimore, Maryland · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | John E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 12
Baltimore, Maryland · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | John E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 22
Baltimore-City-County, Maryland · implied b. ~1918 — 5 household members
| Surname | Kelly |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| Occupation | Furn. Foreman Rod Mill |
| Industry | Steel Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 316 |
| Highest Grade | H 4 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 John Kelly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Kelley (~0.82 confidence) and mother Sarah Kelley (~0.82 confidence) and father George Kelly (~0.92 confidence) and father Bernard Kelly (~0.92 confidence) and father George Kelly (~0.92 confidence) and father Thomas Kelly (~0.82 confidence) and mother Ellen Kelly (~0.82 confidence) and mother Marie Kelly (~0.92 confidence) and mother Minnie Kelly (~0.92 confidence). The pedigree spans 2 generations with 9 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.88
Father
John Kelley
b. ~1860
Source father>father
● Household
· direct · ~0.82
Mother
Sarah Kelley
b. ~1864
Source father>mother
● Household
· direct · ~0.82
Father
George Kelly
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Bernard Kelly
b. ~1894
Source father
● Household
· direct · ~0.92
Father
George Kelly
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Thomas Kelly
b. ~1852
Source father>father
● Household
· direct · ~0.82
Mother
Ellen Kelly
b. ~1835
Source father>mother
● Household
· direct · ~0.82
Mother
Marie Kelly
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Minnie Kelly
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Kelly
Son · 1940 · age 22 · b. ~1918 · Maryland
★ You are viewing this record
Sibling
William Kelly
Sibling · 1940 · age 18
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 — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01538-00701)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Helen K. Gylatow | 47 | Wife | — | Pennsylvania |
| 42 | Agnes K. Reagan | 28 | Daughter | Bookkeeper | West Virginia |
| 43 | Edwin Wolf | 23 | Head | Crane Operator | Maryland |
| 44 | Marie Wolf | 21 | Wife | — | Maryland |
| 45 | Carl Wolf | 20 | Brother | Sheet Metal Worker | Maryland |
| 46 | Naomi Wolf | 21 | Sister-in-law | — | West Virginia |
| 47 | Henry W. Peters | 47 | Head | Foreman Machine Shop | Maryland |
| 48 | Edna Peters | 45 | Wife | — | Pennsylvania |
| 49 | Sarah Sprall | 85 | Mother-in-law | — | Pennsylvania |
| 50 | Thomas Martin | 35 | Head | Galvanizing Dept. Foreman | Pennsylvania |
| 51 | Mildred Martin | 34 | Wife | — | Ohio |
| 52 | Thomas Martin | 13 | Son | — | Pennsylvania |
| 53 | James Martin | 12 | Son | — | Pennsylvania |
| 54 | Mary Ellen Martin | 10 | Daughter | — | Maryland |
| 55 | Norma Martin | 6 | Daughter | — | Maryland |
| 56 | Juanita Martin | 4 | Daughter | — | Maryland |
| 57 | James Dovenbarger | 22 | Brother-in-law | Pipe Fitter | Ohio |
| 58 | Harold Carmichael | 22 | Lodger | Tong Setter | Ohio |
| 59 | Bernard Kelly | 46 | Head | Chauffeur | Pennsylvania |
| 60 | Marie Kelly | 42 | Wife | — | Maryland |
| 61 | John Kelly THIS PERSON | 22 | Son | Furn. Foreman Rod Mill | Maryland |
| 62 | William Kelly | 18 | Son | — | Maryland |
| 63 | James Mcnicholas | 28 | Lodger | Machinist | Maryland |
| 64 | Alexander Piorunski | 39 | Head | Clerk | Maryland |
| 65 | Marie Piorunski | 45 | Wife | — | Maryland |
| 66 | Harry D. Ulrich | 64 | Head | Boiler Maker | Pennsylvania |
| 67 | Richard Westermeyer | 36 | Son-in-law | Chauffeur | Maryland |
| 68 | Ruby Westermeyer | 34 | Daughter | — | Maryland |
| 69 | Katherine Westermeyer | 13 | Granddaughter | — | Maryland |
| 70 | Harry Westermeyer | 7 | Grandson | — | Maryland |
| 71 | — | None | — | — | — |
| 72 | Anthony Schneck | 44 | Head | Master Mechanic | Wisconsin |
| 73 | Esther Schneck | 38 | Wife | — | Wisconsin |
| 74 | Jessica Schneck | 20 | Daughter | — | Wisconsin |
| 75 | Shirley Schneck | 18 | Daughter | — | Wisconsin |
| 76 | Anthony Schneck | 15 | Son | — | Maryland |
| 77 | James Schneck | 7 | Son | — | Maryland |
| 78 | Lillian Stangard | 44 | Head | Feeder And Boxter | Maryland |
| 79 | Pearl Stangard | 21 | Daughter | Stenographer | Maryland |
| 80 | Belle Nelson | 79 | Aunt | — | Maryland |
Related Census Records
Pedigree Summary
John + 1 sibling
Gen 1 · 5 parents
~0.92
Gen 2 · 4 grandparents
~0.82
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)