WG
William Grimes — 1940 US Census Record
Linked across censuses1940 United States Federal Census · District-Of-Columbia-County, District of Columbia
Our Model Tree links this William Grimes across the 1930 and 1940 US Censuses in District-Of-Columbia-County, District of Columbia (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 3-person household.
Age 17
b. ~1923
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | District-Of-Columbia-County, District of Columbia |
| Surname | Grimes |
| Given Name | William M. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Fort Leavenworth |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 3 |
| 1935 Residence | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Washington |
| Est. Birth Year | ~1923 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Mabel Grimes | Spouse | — | 44 | ~1896 |
| William Grimes | Head | — | 51 | ~1889 |
| William Grimes | Son | — | 17 | ~1923 |
Census Appearances
1930
None, District …
Son, age 7
None, District of Columbia · implied b. ~1923 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grimes |
| Given Name | William M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Florida |
| Mother's Birthplace | Texas |
| Occupation | none |
| Veteran | No |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
District-Of-Columbia-County, District …
Son, age 17
District-Of-Columbia-County, District of Columbia · implied b. ~1923 — 3 household members
| Surname | Grimes |
| Given Name | William M. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Fort Leavenworth |
| Income (1939) | 0 |
| Highest Grade | H 3 |
| 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 William Grimes across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Grimes
Son · 1940 · age 17 · b. ~1923 · District of Columbia
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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-t0627-00562-00660)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anne M. Cusman | 58 | Wife | — | Pennsylvania |
| 2 | Thomas J. Thornton | 45 | Head | Lt. Colonel | Missouri |
| 3 | Julia R. Shackleton | 47 | Head | Technical Consultant | Iowa |
| 4 | Alan S. Shackleton | 20 | Son | — | Iowa |
| 5 | Allan J. Krebs | 50 | Head | Industrial Representative | Alabama |
| 6 | Helen M. Krebs | 42 | Wife | — | Tennessee |
| 7 | Peter Ab Noel | 20 | Step-son | — | Tennessee |
| 8 | Howard V. Cowan | 46 | Head | Captain | Nebraska |
| 9 | Merritt King | 46 | Head | — | D.C. |
| 10 | Carrie King | 66 | Mother | — | D.C. |
| 11 | Charles Bonfill | 42 | Head | Major | Florida |
| 12 | Sadie F. Bonfill | 42 | Wife | — | Mississippi |
| 13 | Margaret Bonfill | 15 | Daughter | — | Florida |
| 14 | Ferdinand H. Heywood | 69 | Head | — | Ohio |
| 15 | Henrietta Heywood | 68 | Wife | — | Kansas |
| 16 | Jean R. Key | 32 | Head | Operator | D.C. |
| 17 | Joanna Umbach | 47 | Head | Adjudicator | Missouri |
| 18 | Ulla Umbach | 45 | Sister | Clerk | Missouri |
| 19 | Nellie R. Umbach | 40 | Sister | 14 | Missouri |
| 20 | Nellie K. Wright | 48 | Head | Secretary | D.C. |
| 21 | Henrietta Wingate | 60 | Head | Asst Manager | Maryland |
| 22 | Anne B. Schulze | 50 | Head | Business Secty | Alabama |
| 23 | Vernon, Annie Schulze | 83 | Mother | — | Alabama |
| 24 | Wallace L. Lind | 52 | Head | Captain | Minnesota |
| 25 | Hazel B. Lind | 49 | Wife | — | Missouri |
| 26 | Wallace L. Lind | 26 | Son | Ship Inspector | California |
| 27 | William M. Grimes | 51 | Head | Lt. Colonel | Florida |
| 28 | Mabel C. Grimes | 44 | Wife | — | Texas |
| 29 | William M. Jr. Grimes THIS PERSON | 17 | Son | — | Kansas |
| 30 | James L. Smith | 45 | Head | Attorney | Iowa |
| 31 | Elizabeth Smith | 40 | Wife | — | Illinois |
| 32 | Patricia Smith | 15 | Daughter | — | Illinois |
| 33 | Barbara Smith | 14 | Daughter | — | D.C. |
| 34 | Robert, D.W. Connor | 61 | Head | Archivist | N. Carolina |
| 35 | Sadie H. Connor | 60 | Wife | — | N. Carolina |
| 36 | Joseph T. Henry | 46 | Head | Colonel | Pennsylvania |
| 37 | Helen Henry | 46 | Wife | — | Colorado |
| 38 | Betty Joe Henry | 19 | Daughter | — | Louisiana |
| 39 | Hazel Loftin | 51 | Head | — | New York |
| 40 | Edward H. Loftin | 17 | Son | — | D.C. |
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)