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John Muller — 1940 US Census Record
Linked across censuses1940 United States Federal Census · District-Of-Columbia-County, District of Columbia
Our Model Tree links this John Muller across the 1930 and 1940 US Censuses in District-Of-Columbia-County, District of Columbia (XGBoost, ~Confirmed) — first a head (b.~1895), then head of a 5-person household.
Age 45
b. ~1895
Male
Head
Born: Rhode Island
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | District-Of-Columbia-County, District of Columbia |
| Surname | Muller |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| 1935 Residence (City) | District Of Columbia |
| 1935 Residence (County) | District Of Columbia |
| Additional Details | |
| Occupation | Clerk |
| Industry | Navy Dept |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Occupation | Clerk |
| Est. Birth Year | ~1895 |
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 |
|---|---|---|---|---|
| Magdalene Muller | Spouse | — | 39 | ~1901 |
| Richard Muller | Son | — | 11 | ~1929 |
| John Muller | Head | — | 45 | ~1895 |
| John Muller | Son | — | 5 | ~1935 |
| Marion Muller | Daughter | — | 14 | ~1926 |
Census Appearances
1930
None, District …
Head, age 34
None, District of Columbia · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mueller |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| Age at First Marriage | 29 |
| Father's Birthplace | Germany |
| Mother's Birthplace | France |
| Occupation | clerk |
| Industry | Navy Dept |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | 8950 |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1940
District-Of-Columbia-County, District …
Head, age 45
District-Of-Columbia-County, District of Columbia · implied b. ~1895 — 5 household members
| Surname | Muller |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| 1935 Residence (City) | District Of Columbia |
| 1935 Residence (County) | District Of Columbia |
| Occupation | Clerk |
| Industry | Navy Dept |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
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 Muller across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Muller
Head · 1940 · age 45 · b. ~1895 · District of Columbia
★ 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 — District-Of-Columbia-County, District of Columbia
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1940 US Federal Census — District-Of-Columbia-County, District of Columbia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00560-00678)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Cornelius Crenshaw | 53 | Head | Clerk | Wash D.C. |
| 42 | Donald Crenshaw | 50 | Wife | — | West Virginia |
| 43 | Jerome Crenshaw | 12 | Son | — | Wash D.C. |
| 44 | Margaret H. Fuller | 48 | Head | — | Wash D.C. |
| 45 | Elizabeth S. Fuller | 14 | Daughter | — | Wash D.C. |
| 46 | Virginia Dellinger | 24 | Daughter | Telephone Operator | Wash D.C. |
| 47 | Gerard Stallings | 42 | Head | Plumber | No Carolina |
| 48 | Irene Stallings | 35 | Wife | — | Virginia |
| 49 | George H. Beck | 57 | Head | Machinist | Pennsylvania |
| 50 | Mary Beck | 60 | Sister | — | Pennsylvania |
| 51 | John Muller THIS PERSON | 45 | Head | Clerk | Rhode Island |
| 52 | Magdalene Muller | 39 | Wife | — | Minnesota |
| 53 | Marion Muller | 14 | Daughter | — | Wash D.C. |
| 54 | Richard Muller | 11 | Son | — | Wash D.C. |
| 55 | John Muller | 5 | Son | — | Wash D.C. |
| 56 | Samuel D. Taylor | 71 | Head | Merchant | Missouri |
| 57 | Nellie K. Taylor | 43 | Wife | Teacher | Pennsylvania |
| 58 | Henry E. White | 63 | Head | Brakeman | West Virginia |
| 59 | Rhoda A. White | 66 | Wife | — | Maryland |
| 60 | Milton L. Sanderson | 35 | Son-in-law | Asst Cashier | Wash D.C. |
| 61 | Anna W. Sanderson | 32 | Daughter | — | Wash D.C. |
| 62 | Milton W. Sanderson | 1 | Grandson | — | Wash D.C. |
| 63 | James D. Jones | 44 | Head | Policeman | Maryland |
| 64 | Gene Jones | 43 | Wife | — | Virginia |
| 65 | Thomas R. Fletcher | 34 | Head | Sergeant | Virginia |
| 66 | Virginia T. Fletcher | 35 | Wife | Clerk Typist | Wash D.C. |
| 67 | Margaret H. Fletcher | 7 | Daughter | — | Wash D.C. |
| 68 | Robert E. Fletcher | 6 | Son | — | Wash D.C. |
| 69 | Joseph Earl Haynes | 26 | Roomer | Mimeographer | Penna. |
| 70 | Haynes | None | Roomer | — | — |
| 71 | Melvin J. Spalding | 39 | Head | Letter Carrier | Wash D.C. |
| 72 | Elsie L. Spalding | 36 | Wife | — | Wash D.C. |
| 73 | Sadie R. Poulsen | 67 | Mother-in-law | — | Pennsylvania |
| 74 | — | None | — | — | — |
| 75 | — | None | — | — | — |
| 76 | William B. Fletcher | 39 | Head | Pasteurizer | Virginia |
| 77 | Lillie V. Fletcher | 35 | Wife | — | Maryland |
| 78 | Joyce Fletcher | 5 | Daughter | — | Wash D.C. |
| 79 | George L. Keen | 67 | Head | Clerk | Georgia |
| 80 | Jennie D. Keen | 57 | Wife | — | New York |
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)