JM
John Mullen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Johnson-County, Kansas
Our Model Tree links this John Mullen across the 1920, 1930 and 1940 US Censuses in Johnson-County, Kansas (XGBoost, ~Confirmed), with identified parents John & Altha — first a son (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Johnson-County, Kansas |
| Surname | Mullen |
| Given Name | John C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Shawnee Township |
| 1935 Residence (County) | Johnson |
| Additional Details | |
| Occupation | Apprentice Stone-Mason |
| Industry | Building Construction |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 820 |
| Highest Grade | No 8 |
| 1935 Residence | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Apprentice Stone-Mason |
| Township / Ward | Shawnee Township |
| Est. Birth Year | ~1919 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Mullen | Head | — | 57 | ~1883 |
| John Mullen | Son | — | 21 | ~1919 |
| Altha Mullen | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Johnson, Kansas
Son, age 1
Johnson, Kansas · implied b. ~1919
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Mullen |
| Given Name | John C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Johnson, Kansas
Son, age 11
Johnson, Kansas · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mullen |
| Given Name | John C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Johnson-County, Kansas
Son, age 21
Johnson-County, Kansas · implied b. ~1919 — 3 household members
| Surname | Mullen |
| Given Name | John C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Shawnee Township |
| 1935 Residence (County) | Johnson |
| Occupation | Apprentice Stone-Mason |
| Industry | Building Construction |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 820 |
| Highest Grade | No 8 |
| 1935 Residence | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Mullen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Mullen (~0.92 confidence) and mother Altha Mullen (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Mullen
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Altha Mullen
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mullen
Son · 1940 · age 21 · b. ~1919 · Kansas
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Johnson-County, Kansas
Open full size
1940 US Federal Census — Johnson-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01237-00874)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ruth E. Milam | 2 | Daughter | — | Kansas |
| 42 | John M. Barry | 36 | Head | Switchman | Kansas |
| 43 | Florence E. Barry | 32 | Wife | — | Kansas |
| 44 | John F. Barry | 6 | Son | — | Kansas |
| 45 | Lawrence J. Barry | 4 | Son | — | Kansas |
| 46 | James H. Barry | 1 | Son | — | Kansas |
| 47 | Madge Covell | 63 | Head | — | Missouri |
| 48 | Charles E. Rayon | 72 | Ex-husband | — | Kansas |
| 49 | John Halbert | 26 | Head | Mattress Maker | Arkansas |
| 50 | Emma Halbert | 24 | Wife | — | Kansas |
| 51 | Mary H. Halbert | 0 | Daughter | — | Kansas |
| 52 | John Mullen | 57 | Head | Farmer | Kansas |
| 53 | Altha Mullen | 46 | Wife | — | Kansas |
| 54 | John C. Mullen THIS PERSON | 21 | Son | Apprentice Stone-Mason | Kansas |
| 55 | Vernon E. Scoville | 35 | Head | Auto Mechanic | Kansas |
| 56 | Eva B. Scoville | 33 | Wife | — | Missouri |
| 57 | Lucille B. Scoville | 9 | Daughter | — | Missouri |
| 58 | Virginia R. Scoville | 7 | Daughter | — | Missouri |
| 59 | Vernon E. Jr. Scoville | 5 | Son | — | Missouri |
| 60 | Mary F. Scoville | 4 | Daughter | — | Missouri |
| 61 | C. B. Scoville | 58 | Head | Chief Clerk | Kansas |
| 62 | Bertha E. Scoville | 57 | Wife | — | Illinois |
| 63 | Lloyd E. Lynn | 23 | Son-in-law | Electrical Mechanic | Kansas |
| 64 | Ruth D. Lynn | 27 | Daughter | — | Kansas |
| 65 | Paul D. Vanherberg | 48 | Head | Gardener | Belgium |
| 66 | Madeline Vanherberg | 46 | Wife | Gardener | Belgium |
| 67 | Albert Vanherberg | 18 | Son | Gardener | Kansas |
| 68 | Richard Vanherberg | 15 | Son | — | Kansas |
| 69 | Dale Vanherberg | 12 | Son | — | Kansas |
| 70 | Clarence Vanherberg | 10 | Son | — | Kansas |
| 71 | Mary A. Vanherberg | 9 | Daughter | — | Kansas |
| 72 | Victor Van Steelandt | 65 | Employee | Gardener | Belgium |
| 73 | Adolph Raet | 57 | Employee | Gardener | Belgium |
| 74 | Adolph Cortenville | 49 | Employee | Gardener | Belgium |
| 75 | Byrd Norton | 24 | Employee | Farm Laborer | Tennessee |
| 76 | Fred Van Scholandt | 68 | Head | Farmer | Belgium |
| 77 | Minnie C. Van Scholandt | 61 | Wife | — | Missouri |
| 78 | Alice Van Scholandt | 29 | Daughter | Teacher | Kansas |
| 79 | Frederick W. Van Scholandt | 23 | Son | Apprentice Tinner | Kansas |
| 80 | Mike Mullen | 51 | Head | Farmer | Kansas |
Pedigree Summary
John
Gen 1 · 2 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)