BK
Bertha King — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sussex-County, Delaware
Our Model Tree links this Bertha King across the 1920, 1930 and 1940 US Censuses in Sussex-County, Delaware (XGBoost, ~Confirmed) — first a spouse (b.~1879), then head of a 6-person household.
Age 61
b. ~1879
Female
Spouse
Born: Delaware
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sussex-County, Delaware |
| Surname | King |
| Given Name | Bertha |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | Representative District 10 |
| 1935 Residence (County) | Sussex |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Township / Ward | Representative District 10 |
| Est. Birth Year | ~1879 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| David King | Son | — | 24 | ~1916 |
| Cornelius King | Son | — | 29 | ~1911 |
| Mary King | Daughter | — | 32 | ~1908 |
| Harold King | Son | — | 21 | ~1919 |
| Bertha King | Spouse | — | 61 | ~1879 |
| Irving King | Head | — | 62 | ~1878 |
Census Appearances
1920
Sussex, Delaware
Spouse, age 40
Sussex, Delaware · implied b. ~1880 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Bettie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Occupation | Manager |
| Industry | Garage |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1930
Sussex, Delaware
Spouse, age 51
Sussex, Delaware · implied b. ~1879 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Delaware |
| Age at First Marriage | 28 |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Can Read/Write | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
Sussex-County, Delaware
Spouse, age 61
Sussex-County, Delaware · implied b. ~1879 — 6 household members
| Surname | King |
| Given Name | Bertha |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | Representative District 10 |
| 1935 Residence (County) | Sussex |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Bertha King
Spouse · 1940 · age 61 · b. ~1879 · Delaware
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Sussex-County, Delaware
Open full size
1940 US Federal Census — Sussex-County, Delaware
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00548-00638)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harold Schirmer | 24 | head | Labour | New York |
| 2 | Gladys Schirmer | 20 | wife | — | Delaware |
| 3 | Josephine Schirmer | 1 | daughter | — | Delaware |
| 4 | Charles Schirmer | 21 | brother | Piece Work | New York |
| 5 | William A. Pride | 42 | head | Labourer | Delaware |
| 6 | Lillian H. Pride | 42 | wife | — | Delaware |
| 7 | James Pride | 16 | son | — | Delaware |
| 8 | Edna Blizzard | 17 | daughter | — | Delaware |
| 9 | Preston B. Clark | 23 | head | — | Delaware |
| 10 | Eliza Clark | 24 | wife | — | Delaware |
| 11 | Homer J. Outten | 56 | head | Labour | Virginia |
| 12 | Delena D. Outten | 53 | wife | — | Delaware |
| 13 | Alden B. Murray | 7 | grandson | — | Delaware |
| 14 | Guy Murray | 3 | granddaughter | — | Delaware |
| 15 | Le Roy Murray | 34 | son in law | Carpenter | Delaware |
| 16 | Louis Plummer | 25 | son in law | Fiber Work | Delaware |
| 17 | Elizabeth Plummer | 24 | daughter | Office Work | Delaware |
| 18 | Emma Rogers | 40 | head | Gov. Work | Kentucky |
| 19 | Delbert Magee | 24 | lodger | Painter | Kentucky |
| 20 | Fannie Magee | 23 | sister | — | Kentucky |
| 21 | Delbert R. Magee | 1 | nephew | — | Delaware |
| 22 | Edward Lovenquith | 35 | head | Piece Work | New Jersey |
| 23 | Laura Lovenquith | 35 | wife | — | Delaware |
| 24 | Clara Lovenquith | 6 | daughter | — | Delaware |
| 25 | Charles Lovenquith | 3 | son | — | Delaware |
| 26 | Clara Lovenquith | 70 | mother | — | New Jersey |
| 27 | George A. Walls | 67 | lodger | — | Delaware |
| 28 | James O. B. Hazzard | 42 | head | — | Delaware |
| 29 | Mary E. Hazzard | 54 | wife | — | Delaware |
| 30 | Emily Hazzard | 24 | daughter | — | Delaware |
| 31 | Irving C. King | 62 | head | Labour | Delaware |
| 32 | Bertha King THIS PERSON | 61 | wife | — | Delaware |
| 33 | Mary King | 32 | daughter | Teacher | Delaware |
| 34 | Cornelius King | 29 | son | Waiter | Delaware |
| 35 | David King | 24 | son | Salesman | Delaware |
| 36 | Harold King | 21 | son | — | Delaware |
| 37 | Archer D. Dorman | 33 | head | Labour | Delaware |
| 38 | Mildred Dorman | 20 | wife | Set Button | Delaware |
| 39 | William J. Hazzard | 58 | head | Labour | Delaware |
| 40 | Robert H. Bell | 41 | head | — | Delaware |
Related Census Records
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)