BK
Bertha King — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Montgomery, Maryland
Our Model Tree links this Bertha King across the 1930 and 1940 US Censuses in Montgomery, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1884), then head of a 14-person household.
Age 46
b. ~1884
Female
Spouse
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Montgomery, Maryland |
| Surname | King |
| Given Name | Bertha W. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 39 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Laytonsville District |
| Est. Birth Year | ~1884 |
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 1930 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Charles King | Other | — | 40 | ~1890 |
| Celestine Prather | Daughter | — | 16 | ~1914 |
| Theodore Prather | Son | — | 13 | ~1917 |
| Harrison King | Son | — | 17 | ~1913 |
| Marjorie Prather | Daughter | — | 1 | ~1929 |
| Darius Prather | Head | — | 49 | ~1881 |
| Darius Prather | Son | — | 11 | ~1919 |
| Vernese Prather | Daughter | — | 8 | ~1922 |
| Sarah Prather | Spouse | — | 37 | ~1893 |
| Eugenia Warfield | Daughter | — | 11 | ~1919 |
| Bertha King | Spouse | — | 46 | ~1884 |
| Thomas Prather | Son | — | 18 | ~1912 |
| Calvin Prather | Son | — | 3 | ~1927 |
| Stanley Prather | Son | — | 5 | ~1925 |
Census Appearances
1930
Montgomery, Maryland
Spouse, age 46
Montgomery, Maryland · implied b. ~1884 — 14 household members
| Surname | King |
| Given Name | Bertha W. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 39 |
| 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 56
Montgomery-County, Maryland · implied b. ~1884 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Bertie W. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election Dist. #1 |
| 1935 Residence (County) | Montgomery |
| Highest Grade | H 7 |
| 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 Bertha King across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Bertha King
Spouse · 1930 · age 46 · b. ~1884 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Montgomery, Maryland
Open full size
1930 US Federal Census — Montgomery, Maryland
Page Contents
41 people indexed on this census page (ia:1930:15thcensus876unit:0685)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas Claggett | 24 | Boarder | — | Maryland |
| 2 | Ray C. Clinedinst | 30 | Head | — | Virginia |
| 3 | Ruth E. Clinedinst | 21 | Wife | Farmer | Virginia |
| 4 | Gladys Clinedinst | 18 | Daughter | Farm Laborer | Virginia |
| 5 | Dorothy Clinedinst | 12 | Daughter | — | Virginia |
| 6 | John Clinedinst | 15 | Son | — | Virginia |
| 7 | Mable Clinedinst | 17 | Daughter | Farm Laborer | Virginia |
| 8 | J. Mccubbin Waters | 55 | Head | — | Maryland |
| 9 | Susie D. Waters | 42 | Wife | Com. Traveler | Maryland |
| 10 | Achsah L. Davis | 79 | Mother-in-law | Practical Nurse | Maryland |
| 11 | James W. Mathias | 47 | Head | — | West Virginia |
| 12 | Georgiana Mathias | 53 | Wife | Farmer | West Virginia |
| 13 | Mabel Mathias | 22 | Daughter | — | West Virginia |
| 14 | Mary H. Mathias | 15 | Daughter | Servant | West Virginia |
| 15 | Stella L. Mathias | 11 | Daughter | — | West Virginia |
| 16 | Margaret B. Mathias | 8 | Daughter | — | West Virginia |
| 17 | Theda Mathias | 6 | Daughter | — | West Virginia |
| 18 | Carra Hungerford | 17 | Daughter | — | West Virginia |
| 19 | James Hungerford | 22 | Son-in-law | Farm Laborer | Maryland |
| 20 | Iona Cullers | 9 | Daughter | — | West Virginia |
| 21 | Tennessee Cullers | 1 | Daughter | — | West Virginia |
| 22 | Harry W. Blunt | 63 | Head | — | District Columbia |
| 23 | Mary G. Blunt | 62 | Wife | — | Maryland |
| 24 | Sarah W. Giles | 60 | Sister-in-law | — | Maryland |
| 25 | Hannah Wallace | 63 | Head | — | Maryland |
| 26 | William King | 61 | Brother | — | Maryland |
| 27 | Willie Butler | 25 | Cousin | Farm Laborer | Maryland |
| 28 | Darius Prather | 49 | Head | Farmer | Maryland |
| 29 | Sarah E. Prather | 37 | Wife | — | Maryland |
| 30 | Thomas P. Prather | 18 | Son | Farm Laborer | Maryland |
| 31 | Celestine M. Prather | 16 | Daughter | — | Maryland |
| 32 | Theodore M. Prather | 13 | Son | — | Maryland |
| 33 | Darius E. Prather | 11 | Son | — | Maryland |
| 34 | Vernese Prather | 8 | Daughter | — | Maryland |
| 35 | Stanley C. Prather | 5 | Son | — | Maryland |
| 36 | Calvin A. Prather | 3 | Son | — | Maryland |
| 37 | Marjorie J. Prather | 1 | Daughter | — | Maryland |
| 38 | Charles D. King | 40 | O | Farmer | Maryland |
| 39 | Bertha W. King THIS PERSON | 46 | Wife | — | Maryland |
| 40 | Harrison King | 17 | Son | — | Maryland |
| 41 | Eugenia Warfield | 11 | Daughter | Teacher | Maryland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)