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Bertha Adams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Maryland
Our Model Tree links this Bertha Adams across the 1930 and 1940 US Censuses in Montgomery-County, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 14-person household.
Age 40
b. ~1900
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Maryland |
| Surname | Adams |
| Given Name | Bertha R. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | C |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | District 13 Wheaton |
| 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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Hazel Adams | Daughter | — | 13 | ~1927 |
| Herbert Adams | Son | — | 10 | ~1930 |
| Bertha Adams | Spouse | — | 40 | ~1900 |
| Evelyn Adams | Daughter | — | 19 | ~1921 |
| William Adams | Son | — | 20 | ~1920 |
| Doris Adams | Daughter | — | 3 | ~1937 |
| Leroy Adams | Son | — | 16 | ~1924 |
| Alice Adams | Daughter | — | 8 | ~1932 |
| Elsie Adams | Daughter | — | 14 | ~1926 |
| Fred Adams | Son | — | 11 | ~1929 |
| William Adams | Head | — | 49 | ~1891 |
| Lawrence Adams | Son | — | 23 | ~1917 |
| Emma Adams | Daughter | — | 20 | ~1920 |
| Albert Adams | Son | — | 6 | ~1934 |
Census Appearances
1930
Montgomery, Maryland
Other, age 32
Montgomery, Maryland · implied b. ~1898 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Bertha |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | Black |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 22 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Montgomery-County, Maryland
Spouse, age 40
Montgomery-County, Maryland · implied b. ~1900 — 14 household members
| Surname | Adams |
| Given Name | Bertha R. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | C |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Montgomery |
| Highest Grade | No 6 |
| 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 Bertha Adams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Bertha Adams
Spouse · 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 — Montgomery-County, Maryland
Open full size
1940 US Federal Census — Montgomery-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01555-00880)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alexander M. Byrne | 50 | Head | Glazier | Delaware |
| 42 | Margaret S. Byrne | 49 | Wife | — | Delaware |
| 43 | Victor J. Rome | 33 | Head | Floor Manager | Minnesota |
| 44 | Frances D. Rome | 31 | Wife | Saleslady | Virginia |
| 45 | John H. Mashburn | 33 | Head | Sales-Methodology | Pennsylvania |
| 46 | Meta Mashburn | 35 | Wife | File Clerk | Pennsylvania |
| 47 | Robert Mashburn | 8 | Son | — | Wash. D.C. |
| 48 | James Mashburn | 7 | Son | — | Wash. D.C. |
| 49 | George J. Pruitt | 37 | Head | Sales Clerk | New Jersey |
| 50 | Teresa R. Pruitt | 38 | Wife | Sales Clerk | Minnesota |
| 51 | Audrey L. Pruitt | 16 | Daughter | — | Wash. D.C. |
| 52 | Irey J. Pruitt | 14 | Daughter | — | New Jersey |
| 53 | George H. Crane | 40 | Head | Clerical | New Hampshire |
| 54 | Frieda M. Crane | 46 | Wife | Bookkeeper | Germany |
| 55 | William T. Taylor | 26 | Head | Clerical | Indiana |
| 56 | Lois M. Taylor | 25 | Wife | Clerical | Wash. D.C. |
| 57 | — | None | — | — | — |
| 58 | Charles M., Jr. Shelow | 35 | Head | Judge-Attorney | Wash. D.C. |
| 59 | Julia M. Shelow | 34 | Wife | — | Pennsylvania |
| 60 | Charles M. Shelow | 6 | Son | — | Maryland |
| 61 | Robert W. Shelow | 3 | Son | — | Maryland |
| 62 | William H. Adams | 49 | Head | Laborer | Maryland |
| 63 | Bertha R. Adams THIS PERSON | 40 | Wife | — | Maryland |
| 64 | Lawrence G. Adams | 23 | Son | Laborer | Maryland |
| 65 | Emma R. Adams | 20 | Daughter | Housework | Maryland |
| 66 | William H. Adams | 20 | Son | Laborer | Maryland |
| 67 | Evelyn V. Adams | 19 | Daughter | Housework | Maryland |
| 68 | Leroy Adams | 16 | Son | Caddie | Maryland |
| 69 | Elsie Mae Adams | 14 | Daughter | — | Maryland |
| 70 | Hazel Adams | 13 | Daughter | — | Maryland |
| 71 | Fred D. Adams | 11 | Son | — | Maryland |
| 72 | Herbert Adams | 10 | Son | — | Maryland |
| 73 | Alice M. Adams | 8 | Daughter | — | Maryland |
| 74 | Albert Adams | 6 | Son | — | Maryland |
| 75 | Doris P. Adams | 3 | Daughter | — | Maryland |
| 76 | Wm. Dreifus | 70 | Head | — | Wash. D.C. |
| 77 | Harry Dreifus | 46 | Son | — | Virginia |
| 78 | Urban, Clara Dreifus | 50 | Daughter | — | Virginia |
| 79 | Jenette Dreifus | 26 | Daughter | — | Wash. D.C. |
| 80 | Helen Roth | 49 | Daughter | — | Virginia |
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)