HC
Helen Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-County, Maryland
Our Model Tree links this Helen Cook across the 1920, 1930 and 1940 US Censuses in Baltimore-County, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1877), then head of a 4-person household.
Age 63
b. ~1877
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-County, Maryland |
| Surname | Cook |
| Given Name | Helen E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Towson |
| Additional Details | |
| Industry | 0 |
| Highest Grade | Hs 4 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Towson |
| Est. Birth Year | ~1877 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Cook | Spouse | — | 63 | ~1877 |
| Albert Cook | Son | — | 19 | ~1921 |
| Albert Cook | Head | — | 66 | ~1874 |
| Catherine Cook | Daughter | — | 38 | ~1902 |
Census Appearances
1920
Baltimore, Maryland
Spouse, age 43
Baltimore, Maryland · implied b. ~1877 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Helen E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Baltimore, Maryland
Spouse, age 53
Baltimore, Maryland · implied b. ~1877 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Helen E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Baltimore-County, Maryland
Spouse, age 63
Baltimore-County, Maryland · implied b. ~1877 — 4 household members
| Surname | Cook |
| Given Name | Helen E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Towson |
| Industry | 0 |
| Highest Grade | Hs 4 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Helen Cook across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Helen Cook
Spouse · 1940 · age 63 · b. ~1877 · Maryland
★ 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 — Baltimore-County, Maryland
Open full size
1940 US Federal Census — Baltimore-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01505-00212)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elsie Byron | 46 | Inmate | Inmate | Maryland |
| 42 | Dorothy Ramsey | 48 | Inmate | Inmate | Maryland |
| 43 | Emma Hauer | 48 | Inmate | Inmate | Maryland |
| 44 | Nannie Clayton | 74 | Inmate | Inmate | Maryland |
| 45 | George D. Capps | 43 | Inmate | Inmate | Virginia |
| 46 | John H Perry | 60 | Head | Gardener | Massachusetts |
| 47 | Marian A Perry | 67 | Wife | — | Massachusetts |
| 48 | Thomas S. B. Boyer | 34 | Head | Manager | Maryland |
| 49 | Elizabeth B Boyer | 31 | Wife | — | Maryland |
| 50 | Michael T Horner | 62 | Head | — | Maryland |
| 51 | Martha E. Horner | 32 | Daughter | Secretary | Maryland |
| 52 | Mary Horner | 30 | Daughter | — | Maryland |
| 53 | Ruth Horner | 28 | Daughter | — | Maryland |
| 54 | Eliza Scott Horner | 27 | Daughter | Secretary | Maryland |
| 55 | Peter Paul Horner | 25 | Son | — | Maryland |
| 56 | Joshua L. Horner | 24 | Son | — | Maryland |
| 57 | Josephine Von Rohling | 86 | Aunt | — | Maryland |
| 58 | Theodor W. Mommers | 32 | Head | Superintendent | Connecticut |
| 59 | Amabel Mommers | 29 | Wife | — | Maryland |
| 60 | Amabel Mommers | 2 | Daughter | — | Maryland |
| 61 | Patricia Mommers | 1 | Daughter | — | Maryland |
| 62 | Marvel Smith | 27 | Servant | General Servant | Maryland |
| 63 | Phillip Smith | 25 | Servant's husband | Porter | Maryland |
| 64 | Leonard Passano | 62 | Head | — | Maryland |
| 65 | Johanna Passano | 58 | Wife | — | Holland |
| 66 | Elizabeth B Van Horn | 56 | Head | Teacher | Pennsylvania |
| 67 | Marie Degen | 25 | Boarder | Teacher | Missouri |
| 68 | Lily L. Hyde | 61 | Head | — | Maryland |
| 69 | Margaret Lee Hyde | 38 | Sister | — | Maryland |
| 70 | Mabel S. Collison | 48 | Sister | Florist | Maryland |
| 71 | Chester H Collison | 49 | Brother-in-law | Florist | Maryland |
| 72 | Daisy Stafford | 71 | Aunt | — | Maryland |
| 73 | Albert S Cook | 66 | Head | Superintendent | Pennsylvania |
| 74 | Helen E. Cook THIS PERSON | 63 | Wife | — | Pennsylvania |
| 75 | Catherine N. Cook | 38 | Daughter | Research Worker | Maryland |
| 76 | Albert S. Jr. Cook | 19 | Son | — | Maryland |
| 77 | Robert D. Herring | 53 | Head | Engineer | Maryland |
| 78 | Margaret J Herring | 51 | Wife | — | Maryland |
| 79 | Margaret Lee Herring | 28 | Daughter | Clerk | Maryland |
| 80 | Robert Q. Herring | 24 | Son | Construction | Maryland |
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)