WM
William Montgomery — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this William Montgomery across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1906), then head of a 9-person household.
Age 34
b. ~1906
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Montgomery |
| Given Name | William R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Laborer |
| Industry | Electric Insulation Co. |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 988 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1906 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Joan Montgomery | Daughter | — | 6 | ~1934 |
| Helene Montgomery | Daughter | — | 6 | ~1934 |
| Adelaide Montgomery | Daughter | — | 12 | ~1928 |
| Rene Montgomery | Daughter | — | 8 | ~1932 |
| Carroll Montgomery | Daughter | — | 6 | ~1934 |
| William Montgomery | Head | — | 34 | ~1906 |
| George Montgomery | Son | — | 10 | ~1930 |
| J Montgomery | Son | — | 14 | ~1926 |
| Lula Montgomery | Spouse | — | 35 | ~1905 |
Census Appearances
1930
Baltimore, Maryland
Head, age 23
Baltimore, Maryland · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Montgomery |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 18 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Head, age 34
Baltimore-City-County, Maryland · implied b. ~1906 — 9 household members
| Surname | Montgomery |
| Given Name | William R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Laborer |
| Industry | Electric Insulation Co. |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 988 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Montgomery across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Montgomery
Head · 1940 · age 34 · b. ~1906 · Maryland
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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 — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01535-00300)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Henry Deringer | 59 | Head | Watchman | Maryland |
| 42 | Rose Deringer | 52 | Wife | — | Maryland |
| 43 | June Deringer | 12 | Daughter | — | Maryland |
| 44 | John M. Thornton | 30 | Head | Yardman | Maryland |
| 45 | Evelyn C. Thornton | 25 | Wife | — | Maryland |
| 46 | Patricia A. Thornton | 1 | Daughter | — | Maryland |
| 47 | William R. Montgomery THIS PERSON | 34 | Head | Laborer | Maryland |
| 48 | Lula M. Montgomery | 35 | Wife | — | Maryland |
| 49 | J. Gilbert Montgomery | 14 | Son | — | Maryland |
| 50 | Adelaide Montgomery | 12 | Daughter | — | Maryland |
| 51 | George Montgomery | 10 | Son | — | Maryland |
| 52 | Rene Montgomery | 8 | Daughter | — | Maryland |
| 53 | Carroll Ann Montgomery | 6 | Daughter | — | Maryland |
| 54 | Joan Montgomery | 6 | Daughter | — | Maryland |
| 55 | Helene Montgomery | 6 | Daughter | — | Maryland |
| 56 | George Miller | 50 | Head | Sandblaster | Maryland |
| 57 | Mary A. Miller | 47 | Wife | — | Maryland |
| 58 | Richard O. Michael | 25 | Head | Machinist Apprentice | Maryland |
| 59 | Irene Michael | 25 | Wife | — | Maryland |
| 60 | Patricia L. Michael | 1 | Daughter | — | Maryland |
| 61 | Maurice J. Aronheim | 30 | Head | Chauffeur | West Va. |
| 62 | Kay Aronheim | 32 | Wife | Waitress | West Va. |
| 63 | — | None | — | — | — |
| 64 | Mary L. Byus | 67 | Head | Clerk | Maryland |
| 65 | Lula S. Heinlein | 65 | Head | — | Maryland |
| 66 | Frederick Heinlein | 70 | Brother | Machine Oper. | Maryland |
| 67 | James V. Frazier | 43 | Head | Elec. Car Operator | Maryland |
| 68 | Mary A. Frazier | 33 | Wife | — | Maryland |
| 69 | James V. Jr. Frazier | 12 | Son | — | Maryland |
| 70 | William C. Frazier | 9 | Son | — | Maryland |
| 71 | Donald R. Frazier | 4 | Son | — | Maryland |
| 72 | Mary Agnes Frazier | 1 | Daughter | — | Maryland |
| 73 | Robert P. Ringrose | 25 | Head | Warehouseman | Maryland |
| 74 | Audrey O. Ringrose | 21 | Wife | Saleslady | Maryland |
| 75 | Robert P. Jr. Ringrose | 2 | Son | — | Maryland |
| 76 | Joseph F. Shepp | 42 | Head | Foreman Street Car Insp. | Penna. |
| 77 | Marie Shepp | 40 | Wife | — | Maryland |
| 78 | Edward Shepp | 21 | Son | Power Station Opr. | Maryland |
| 79 | Ernest J. Shepp | 20 | Son | Clerk | Maryland |
| 80 | Elizabeth A. Shepp | 18 | Daughter | Packer | Maryland |
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)