JM
John Mcmullen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Rooks-County, Kansas
Our Model Tree links this John Mcmullen across the 1920, 1930 and 1940 US Censuses in Rooks-County, Kansas (XGBoost, ~Confirmed), with identified parents J & John — first a son (b.~1920), then head of a 3-person household.
Age 20
b. ~1920
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Rooks-County, Kansas |
| Surname | McMullen |
| Given Name | John G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Stockton City |
| 1935 Residence (County) | Rooks |
| Additional Details | |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Stockton City |
| Est. Birth Year | ~1920 |
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 |
|---|---|---|---|---|
| Ira Mcmullen | Spouse | — | 53 | ~1887 |
| J Mcmullen | Head | — | 59 | ~1881 |
| John Mcmullen | Son | — | 20 | ~1920 |
Census Appearances
1920
Rooks, Kansas
Son, age
Rooks, Kansas · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McMullen |
| Given Name | John W. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
Son, age 11
Rooks, Kansas · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McMillan |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Rooks-County, Kansas
Son, age 20
Rooks-County, Kansas · implied b. ~1920 — 3 household members
| Surname | McMullen |
| Given Name | John G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Stockton City |
| 1935 Residence (County) | Rooks |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| 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 Mcmullen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father J Mcmullen (~0.92 confidence) and father John Mcmillan (~0.92 confidence) and father John Mcmullen (~0.92 confidence) and mother Ira Mcmullen (~0.92 confidence) and mother Pearl Mcmillan (~0.92 confidence) and mother Pearl Mcmullen (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
J Mcmullen
b. ~1881
Source father
● Household
· direct · ~0.92
Father
John Mcmillan
b. ~1881
Source father
● Household
· direct · ~0.92
Father
John Mcmullen
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Ira Mcmullen
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Pearl Mcmillan
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Pearl Mcmullen
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mcmullen
Son · 1940 · age 20 · b. ~1920 · 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 — Rooks-County, Kansas
Open full size
1940 US Federal Census — Rooks-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01256-00872)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | J. C. Dillingham | 52 | Head | Accountant | Missouri |
| 2 | Ira J. Dillingham | 51 | Wife | — | Kansas |
| 3 | Joseph F. Dillingham | 20 | Son | — | Kansas |
| 4 | Carrie M. Lingenfelter | 68 | Head | Retired | Iowa |
| 5 | Harley Bronson | 49 | Cousin | — | Nebr. |
| 6 | Eva M. Bronson | 43 | Daughter | Manager | Iowa |
| 7 | Everett Bronson | 26 | Grandson | Clerk | Asst | Kansas |
| 8 | Marjorie Bronson | 22 | Granddaughter | — | Kansas |
| 9 | Gordon Bronson | 22 | Head | Clerk | Kansas |
| 10 | Georgia Bronson | 23 | Wife | — | Kansas |
| 11 | Lloyd Lowry | 37 | Head | Mechanic | Iowa |
| 12 | Velma Lowry | 33 | Wife | — | Kansas |
| 13 | Donald Lowry | 11 | Son | — | Kansas |
| 14 | Pattie Lou Lowry | 8 | Daughter | — | Kansas |
| 15 | Marilyn Lowry | 5 | Daughter | — | Kansas |
| 16 | J. W. Dr. Mcmullen | 59 | Head | Osteopath | Arkansas |
| 17 | Ira Mcmullen | 53 | Wife | — | Kansas |
| 18 | John G. Mcmullen THIS PERSON | 20 | Son | — | Kansas |
| 19 | C. E. Rev. Hall | 56 | Head | Minister | Kansas |
| 20 | Mrs. C. E. Hall | 49 | Wife | — | Kansas |
| 21 | Elizabeth Hall | 23 | Daughter | Teacher | Kansas |
| 22 | Charles Hall | 20 | Son | — | Kansas |
| 23 | William Hall | 18 | Son | — | Kansas |
| 24 | Jean Hall | 13 | Daughter | — | Kansas |
| 25 | Charles Ballard | 71 | Head | Manager | Iowa |
| 26 | Nellie M. Ballard | 72 | Wife | — | Wisc. |
| 27 | Mr. A. H. Graham | 61 | Head | Real Estate | Nebr. |
| 28 | Bessie Graham | 50 | Wife | — | Kansas |
| 29 | Annie Byerly | 76 | Head | Farm | Iowa |
| 30 | Edna Redder | 18 | Granddaughter | — | Kansas |
| 31 | Ben M. Bane | 62 | Head | Rural Letter Carrier | Missouri |
| 32 | Clara Bane | 56 | Wife | — | Kansas |
| 33 | Chester Bane | 18 | Son | — | Kansas |
| 34 | Veda Bane | 16 | Daughter | — | Kansas |
| 35 | Ernest Lampkin | 40 | Head | Projectionist | Kansas |
| 36 | Hilda Mrs. Lampkin | 35 | Wife | — | Nebr. |
| 37 | Ernestine Lampkin | 6 | Daughter | — | Kansas |
| 38 | Robert Lampkin | 35 | Head | City Letter Carrier | Kansas |
| 39 | Robert Jr. Lampkin | 5 | Son | — | Kansas |
| 40 | Roy W. Blanchard | 62 | Head | Secretary & Treas | Wisc. |
Related Census Records
Pedigree Summary
John
Gen 1 · 6 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)