WM
William Montgomery — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Charles-County, Maryland
Our Model Tree links this William Montgomery across the 1930 and 1940 US Censuses in Charles-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1900), then head of a 11-person household.
Age 40
b. ~1900
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Charles-County, Maryland |
| Surname | Montgomery |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election Dis. 3 |
| 1935 Residence (County) | Charles |
| Additional Details | |
| Occupation | farm hand |
| Industry | private family |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 300 |
| Highest Grade | No 4 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Farm Hand |
| Township / Ward | Election Dis 3 |
| Est. Birth Year | ~1900 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Nannie Montgomery | Daughter | — | 6 | ~1934 |
| Rose Montgomery | Daughter | — | 13 | ~1927 |
| Maggie Montgomery | Daughter | — | 4 | ~1936 |
| Laura Montgomery | Daughter | — | 11 | ~1929 |
| Sarah Montgomery | Daughter | — | 9 | ~1931 |
| Mary Montgomery | Daughter | — | 7 | ~1933 |
| Ethel Montgomery | Daughter | — | 16 | ~1924 |
| William Montgomery | Head | — | 40 | ~1900 |
| Ezekiel Montgomery | Son | — | 2 | ~1938 |
| Joseph Montgomery | Son | — | 15 | ~1925 |
| Laura Montgomery | Spouse | — | 35 | ~1905 |
Census Appearances
1930
Charles, Maryland
Head, age 27
Charles, Maryland · implied b. ~1903 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Montgomery |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 19 |
| 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 | $10 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Charles-County, Maryland
Head, age 40
Charles-County, Maryland · implied b. ~1900 — 11 household members
| Surname | Montgomery |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election Dis. 3 |
| 1935 Residence (County) | Charles |
| Occupation | farm hand |
| Industry | private family |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 300 |
| Highest Grade | No 4 |
| 1935 Residence | Maryland |
| 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 40 · b. ~1900 · 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 — Charles-County, Maryland
Open full size
1940 US Federal Census — Charles-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01546-00084)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Montgomery THIS PERSON | 40 | Head | Farm Hand | Maryland |
| 42 | Laura Montgomery | 35 | Wife | — | Maryland |
| 43 | Ethel Montgomery | 16 | Daughter | — | Maryland |
| 44 | Joseph Montgomery | 15 | Son | — | Maryland |
| 45 | Rose Montgomery | 13 | Daughter | — | Maryland |
| 46 | Laura Montgomery | 11 | Daughter | — | Maryland |
| 47 | Sarah Montgomery | 9 | Daughter | — | Maryland |
| 48 | Mary Montgomery | 7 | Daughter | — | Maryland |
| 49 | Nannie Montgomery | 6 | Daughter | — | Maryland |
| 50 | Maggie Montgomery | 4 | Daughter | — | Maryland |
| 51 | Ezekiel Montgomery | 2 | Son | — | Maryland |
| 52 | Sarah Cunningham | 56 | Head | — | Maryland |
| 53 | James Cunningham | 9 | Grandson | — | Maryland |
| 54 | Lloyd Cunningham | 10 | Grandson | — | Maryland |
| 55 | Arthur Washington | 45 | Head | W.P.A. | Maryland |
| 56 | Mary Washington | 36 | Wife | — | Maryland |
| 57 | Herbert Washington | 19 | Son | Farm Hand | Maryland |
| 58 | Maude Washington | 17 | Daughter | — | Maryland |
| 59 | Aileen Washington | 16 | Daughter | — | Maryland |
| 60 | George Washington | 14 | Son | — | Maryland |
| 61 | Marshall Washington | 13 | Son | — | Maryland |
| 62 | James Washington | 9 | Son | — | Maryland |
| 63 | Aaron Washington | 5 | Son | — | Maryland |
| 64 | Margaret Bannister | 38 | Head | — | Maryland |
| 65 | Gilbert Bannister | 15 | Son | — | Maryland |
| 66 | Clara Bannister | 14 | Daughter | — | Maryland |
| 67 | Agnes Richardson | 60 | Head | — | Maryland |
| 68 | John Lawson | 42 | Son in law | W.P.A. | Maryland |
| 69 | Genieve Lawson | 38 | Daughter | — | Maryland |
| 70 | Pauline Lawson | 17 | Daughter | — | Maryland |
| 71 | Emmanuel Lawson | 16 | Grandson | Odd Jobs | Maryland |
| 72 | Clarence Lawson | 7 | Son | — | Maryland |
| 73 | Linwood Savoy | 27 | Head | Laborer | Maryland |
| 74 | Irine Savoy | 25 | Wife | — | Maryland |
| 75 | Mary L. Savoy | 7 | Daughter | — | Maryland |
| 76 | Irine Washington | 40 | Head | — | Maryland |
| 77 | Annabelle Gulrick | 21 | Daughter | — | Maryland |
| 78 | Laura Gulrick | 2 | Granddaughter | — | Maryland |
| 79 | Isiah Gulrick | 12 | Son | — | Maryland |
| 80 | Isiah Warren | 27 | Lodger | Wood Cutter | 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)