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John Duggan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jackson-County, Missouri
Our Model Tree links this John Duggan across the 1930 and 1940 US Censuses in Jackson-County, Missouri (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jackson-County, Missouri |
| Surname | Duggan |
| Given Name | John A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Jackson |
| Additional Details | |
| Occupation | 0 |
| Industry | 0 |
| Class of Worker | No |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | 0 |
| Township / Ward | Kansas City |
| Est. Birth Year | ~1928 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Idalene Duggan | Daughter | — | 14 | ~1926 |
| Berniece Duggan | Daughter | — | 16 | ~1924 |
| John Duggan | Son | — | 12 | ~1928 |
| Mary Duggan | Daughter | — | 20 | ~1920 |
| Lonnetta Duggan | Daughter | — | 18 | ~1922 |
| John Duggan | Head | — | 47 | ~1893 |
| Alma Duggan | Spouse | — | 45 | ~1895 |
Census Appearances
1930
Jackson, Missouri
Son, age 2
Jackson, Missouri · implied b. ~1928 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duggan |
| Given Name | John A. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Jackson-County, Missouri
Son, age 12
Jackson-County, Missouri · implied b. ~1928 — 7 household members
| Surname | Duggan |
| Given Name | John A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Jackson |
| Occupation | 0 |
| Industry | 0 |
| Class of Worker | No |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 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 John Duggan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Duggan
Son · 1940 · age 12 · b. ~1928 · Missouri
★ You are viewing this record
Sibling
Idalene Duggan
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lonnetta Duggan
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Duggan
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Berniece Duggan
Sibling · 1940 · age 16
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-t0627-02180-00116)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Nair | 79 | Mother | 0 | Missouri |
| 42 | John R Lewis | 44 | Head | Medical Doctor | Missouri |
| 43 | Christine Lewis | 40 | Wife | 0 | Missouri |
| 44 | Ray H Gardner | 35 | Head | Sales & Service | Missouri |
| 45 | Betty Lee Gardner | 13 | Daughter | — | Missouri |
| 46 | Darrell Gardner | 7 | Son | — | Kansas |
| 47 | Nellie Robb | 29 | Lodger | 0 | West Virginia |
| 48 | Manford H Nealy | 35 | Head | Shipping Clerk | Kansas |
| 49 | Thelma Nealy | 28 | Wife | 0 | Missouri |
| 50 | Patricia Ann Nealy | 8 | Daughter | — | Missouri |
| 51 | Donna Lee Nealy | 8 | Daughter | — | Missouri |
| 52 | Manford D Nealy | 1 | Son | — | Missouri |
| 53 | Victor B Dando | 38 | Head | Clerk | Missouri |
| 54 | Ruth Dando | 38 | Wife | 0 | Nebraska |
| 55 | Victor W Dando | 6 | Son | — | Kansas |
| 56 | Jane D Dando | 4 | Daughter | — | Kansas |
| 57 | Frank C Gee | 54 | Head | Express Messenger | Nebraska |
| 58 | Margaret Gee | 49 | Wife | 0 | Kansas |
| 59 | David M Harbaugh | 77 | Head | 0 | Maryland |
| 60 | Blanche Harbaugh | 62 | Wife | 0 | Pennsylvania |
| 61 | Arnold H Berry | 47 | Head | Carrier | Missouri |
| 62 | Opal Berry | 42 | Wife | 0 | Missouri |
| 63 | Peggy Berry | 9 | Daughter | — | Missouri |
| 64 | Robert Berry | 5 | Son | — | Missouri |
| 65 | Vera Vanderpool | 24 | Servant | Servant | Missouri |
| 66 | Charles B Pinkham | 59 | Head | Inspector | Kansas |
| 67 | Olga Pinkham | 58 | Wife | 0 | Kansas |
| 68 | William C Pinkard | 61 | Head | Shipping Clerk | Missouri |
| 69 | Louise L Pinkard | 60 | Wife | 0 | Missouri |
| 70 | Margaret M Pinkard | 32 | Daughter | 0 | Missouri |
| 71 | John E Duggan | 47 | Head | Operator | Kansas |
| 72 | Alma L Duggan | 45 | Wife | 0 | Ohio |
| 73 | Mary M Duggan | 20 | Daughter | Bookkeeper | Missouri |
| 74 | Lonnetta M Duggan | 18 | Daughter | Bookkeeper | Missouri |
| 75 | Berniece K Duggan | 16 | Daughter | 0 | Missouri |
| 76 | Idalene L Duggan | 14 | Daughter | 0 | Missouri |
| 77 | John A Duggan THIS PERSON | 12 | Son | 0 | Missouri |
| 78 | Elva E Lucas | 58 | Head | 0 | Kansas |
| 79 | Virginia E Lucas | 24 | Daughter | Bookkeeper | Missouri |
| 80 | Dorothy S Lucas | 21 | Daughter | 0 | Missouri |
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)