LC
Lula Cook — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Washington, District of Columbia
Our Model Tree links this Lula Cook across the 1920, 1930 and 1940 US Censuses in Washington, District of Columbia (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 6-person household.
Age 35
b. ~1885
Female
Spouse
Born: District of Columbia
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Washington, District of Columbia |
| Surname | Cook |
| Given Name | Lula |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | District of Columbia |
| Father's Birthplace | District of Columbia |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | District of Columbia |
| Birth Country | United States |
| Birthplace (normalized) | district of columbia |
| Township / Ward | Washington |
| Est. Birth Year | ~1885 |
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 1920 census.
| Name | Relation to head | Relative to Lula | Age | Birth yr |
|---|---|---|---|---|
| Lula Cook | Spouse | — | 35 | ~1885 |
| John Hackett | Other | — | 45 | ~1875 |
| Annie Johnson | Other | — | 20 | ~1900 |
| Louis Cook | Head | — | 35 | ~1885 |
| Lizzie Johnson | Other | — | 17 | ~1903 |
| Louis Cook | Son | — | 6 | ~1914 |
Census Appearances
1920
Washington, District …
Spouse, age 35
Washington, District of Columbia · implied b. ~1885 — 6 household members
| Surname | Cook |
| Given Name | Lula |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | District of Columbia |
| Father's Birthplace | District of Columbia |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | District of Columbia |
| Birth Country | United States |
| Birthplace (normalized) | district of columbia |
1930
Washington, District …
Spouse, age 45
Washington, District of Columbia · implied b. ~1885 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Lucy |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 45 |
| Marital Status | Married |
| Birthplace | District of Columbia |
| Age at First Marriage | 11 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | District of Columbia |
| Birth Country | United States |
| Birthplace (normalized) | district of columbia |
1940
District-Of-Columbia-County, District …
Head, age 57
District-Of-Columbia-County, District of Columbia · implied b. ~1883 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Lucy |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 57 |
| Marital Status | Widowed |
| Birthplace | District of Columbia |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | District Of Columbia |
| Highest Grade | No 0 |
| 1935 Residence | Same house |
| Birth State | District of Columbia |
| Birth Country | United States |
| Birthplace (normalized) | district of columbia |
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 Lula Cook across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lula Cook
Spouse · 1920 · age 35 · b. ~1885 · District of Columbia
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Washington, District of Columbia
Open full size
1920 US Federal Census — Washington, District of Columbia
Page Contents
49 people indexed on this census page (ia:1920:14thcensusofpopu210unit:0639)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Warren | 16 | son | Laborer | Maryland |
| 2 | Lottie Warren | 4 | daughter | None | District of Columbia |
| 3 | Palmer Emma Warren | 18 | roomer | Cook | Maryland |
| 4 | Palmer Lilia Warren | 15 | roomer | Servant | Maryland |
| 5 | Thomas J Giles | 57 | head | Broker | Maryland |
| 6 | Frances Giles | 39 | wife | None | New York |
| 7 | Burton F Simpson | 54 | head | Proprietor | England |
| 8 | Helen Simpson | 50 | wife | None | Ireland |
| 9 | William Simpson | 27 | son | Clerk | Illinois |
| 10 | Susan Simpson | 25 | daughter | Clerk | New Jersey |
| 11 | William H Northwood | 54 | head | Shoe Maker | Maryland |
| 12 | Susan Northwood | 46 | wife | None | New Jersey |
| 13 | John T Northwood | 21 | son | Carpenter | Maryland |
| 14 | Harry J Northwood | 17 | son | Clerk | District of Columbia |
| 15 | Mary Northwood | 15 | daughter | None | District of Columbia |
| 16 | Raymond Northwood | 12 | son | None | District of Columbia |
| 17 | Eva Northwood | 7 | daughter | None | District of Columbia |
| 18 | William Northwood | 1 | grandson | None | District of Columbia |
| 19 | Louis F Cook | 35 | head | None | District of Columbia |
| 20 | Lula Cook THIS PERSON | 35 | wife | None | District of Columbia |
| 21 | Louis Jr Cook | 6 | son | None | Maryland |
| 22 | Annie Johnson | 20 | cousin | Servant | District of Columbia |
| 23 | Lizzie Johnson | 17 | cousin | Servant | District of Columbia |
| 24 | John Hackett | 45 | roomer | Laborer | District of Columbia |
| 25 | Robert Thomas | 37 | head | Laborer | District of Columbia |
| 26 | Leah Thomas | 37 | wife | None | Virginia |
| 27 | Frank Seals | 58 | head | Laborer | Virginia |
| 28 | Mary Seals | 49 | wife | Laundress | Maryland |
| 29 | Ruth Seals | 17 | daughter | None | District of Columbia |
| 30 | William L Nichols | 54 | head | Mason | England |
| 31 | Annie Nichols | 41 | wife | None | Maryland |
| 32 | Florence M Nichols | 24 | daughter | Book Keeper | District of Columbia |
| 33 | Emma F Nichols | 22 | daughter | Clerk | Maryland |
| 34 | Sarah J Nichols | 19 | daughter | Telphn Operator | Maryland |
| 35 | Ida B Nichols | 16 | daughter | Telephone Operator | Maryland |
| 36 | William M Nichols | 12 | son | None | Maryland |
| 37 | Ruth M Nichols | 10 | daughter | None | Maryland |
| 38 | John P Lieberwirth | 52 | head | Carpenter | Germany |
| 39 | Mary Lieberwirth | 50 | wife | None | Germany |
| 40 | James J Lieberwirth | 13 | son | None | District of Columbia |
| 41 | James Queen | 53 | head | Groundskeeper | District of Columbia |
| 42 | Ida B Queen | 52 | wife | None | Maryland |
| 43 | Edward F Queen | 25 | son | Driver | District of Columbia |
| 44 | Gertie V Queen | 19 | daughter | Operator | District of Columbia |
| 45 | Edith A Queen | 14 | daughter | None | District of Columbia |
| 46 | Margaret E Thomas | 70 | mother-in-law | None | Maryland |
| 47 | Lamb Spassoff | 60 | head | Painter | England |
| 48 | Cornelia A Spassoff | 59 | wife | None | Virginia |
| 49 | James George Spassoff | 25 | daughter | Clerk | District of Columbia |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)