WK
William Kramer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Ohio
Our Model Tree links this William Kramer across the 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 7-person household.
Age 13
b. ~1927
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Ohio |
| Surname | Kramer |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Dayton |
| Est. Birth Year | ~1927 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Howard Kramer | Son | — | 18 | ~1922 |
| Frances Lake | Son | — | 18 | ~1922 |
| Mary Kramer | Daughter | — | 14 | ~1926 |
| William Kramer | Son | — | 13 | ~1927 |
| Elmer Kramer | Head | — | 52 | ~1888 |
| Mary Kramer | Spouse | — | 52 | ~1888 |
| Arthur Kramer | Son | — | 19 | ~1921 |
Census Appearances
1930
Montgomery, Ohio
Son, age 2
Montgomery, Ohio · implied b. ~1928 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kramer |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Montgomery-County, Ohio
Son, age 13
Montgomery-County, Ohio · implied b. ~1927 — 7 household members
| Surname | Kramer |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton |
| 1935 Residence (County) | Montgomery |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 William Kramer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Kramer
Son · 1940 · age 13 · b. ~1927 · Ohio
★ You are viewing this record
Sibling
Howard Kramer
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Lake
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Kramer
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Kramer
Sibling · 1940 · age 14
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 — Montgomery-County, Ohio
Open full size
1940 US Federal Census — Montgomery-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03255-00412)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William D. Stephenson | 33 | Head | Factory Inspector | Ohio |
| 42 | Lucille Stephenson | 31 | Wife | — | Ohio |
| 43 | William H. Stephenson | 2 | Son | — | — |
| 44 | George W. Coffroad | 45 | Head | Laundry Supt. | Ohio |
| 45 | Marian M. Coffroad | 43 | Wife | — | Ohio |
| 46 | George Walter Coffroad | 14 | Son | — | Ohio |
| 47 | Charles Jr. Roth | 71 | Head | Carpenter | Ohio |
| 48 | Mildred Roth | 61 | Wife | — | Ohio |
| 49 | Joseph J. Phelan | 52 | Head | Gray Iron Molder | Ohio |
| 50 | Margaret Phelan | 50 | Wife | — | Ohio |
| 51 | Margaret Phelan | 21 | Daughter | General Stenographer | Ohio |
| 52 | Donald Phelan | 19 | Son | — | Ohio |
| 53 | Norbert Phelan | 16 | Son | — | Ohio |
| 54 | Louis Phelan | 13 | Son | — | Ohio |
| 55 | Joan Phelan | 11 | Daughter | — | Ohio |
| 56 | James A. Varner | 26 | Head | Shipping Clerk | Ohio |
| 57 | Rosemary Varner | 26 | Wife | — | Ohio |
| 58 | Sue Ellen Varner | 2 | Daughter | — | — |
| 59 | Robt. P. Koenig | 30 | Brother-in-law | Machine Inspector | Ohio |
| 60 | Otis H. Lake | 63 | Head | Sec + Asst Supt | Ohio |
| 61 | Fannie T. Lake | 53 | Wife | — | Ohio |
| 62 | Iola Marie Lake | 15 | Daughter | — | Ohio |
| 63 | Sally Lewis | 50 | Roomer | — | Ohio |
| 64 | Howard F. Tegan | 27 | Head | Draftsman Engineer Dept. | Ohio |
| 65 | Helen L. Tegan | 28 | Wife | — | Ohio |
| 66 | Charles Kramer | 58 | Head | Working As Janitor | Ohio |
| 67 | Elmer W. Kramer | 52 | Head | Clerk + Salesman | Ohio |
| 68 | Mary Kramer | 52 | Wife | — | Ohio |
| 69 | Arthur Kramer | 19 | Son | Truck Driver Salesman | Ohio |
| 70 | Howard Kramer | 18 | Son | New Worker | Ohio |
| 71 | Mary Ellen Kramer | 14 | Daughter | — | Ohio |
| 72 | William Kramer THIS PERSON | 13 | Son | — | Ohio |
| 73 | Frances Lake | 18 | Son | Deliveryman | Ohio |
| 74 | Charles E. Kinstle | 41 | Head | Mail Carrier | Ohio |
| 75 | Gert N. Kinstle | 45 | Wife | — | Tennessee |
| 76 | Florence S. Batdorf | 56 | Head | — | Penna. |
| 77 | Effie May Andres | 61 | Companion | Housekeeper | Ohio |
| 78 | Cletus R. Wornbecke | 32 | Head | Fireman | Ohio |
| 79 | Elizabeth Wornbecke | 30 | Wife | — | Ohio |
| 80 | Fred, Jr. Wornbecke | 0 | Son | — | — |
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)