HC
Helen Cooper — 1940 US Census Record
Model Tree available1940 United States Federal Census · Harford-County, Maryland
Our Model Tree links this Helen Cooper across the 1920, 1930 and 1940 US Censuses in Harford-County, Maryland (XGBoost, ~Confirmed), with identified parents Edwin & John — first a daughter (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Female
Daughter
Born: Maryland
Divorced
1940 Census Record Details
| Census Year | 1940 |
| Location | Harford-County, Maryland |
| Surname | Cooper |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Divorced |
| Birthplace | Maryland |
| 1935 Residence (City) | Marshall |
| 1935 Residence (County) | Harford |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | PW |
| Income (1939) | 791 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Teacher |
| Township / Ward | Marshall |
| Est. Birth Year | ~1909 |
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 |
|---|---|---|---|---|
| John Rutledge | Head | — | 65 | ~1875 |
| Anna Rutledge | Spouse | — | 69 | ~1871 |
| Helen Cooper | Daughter | — | 31 | ~1909 |
| Stanley Rutledge | Son | — | 34 | ~1906 |
Census Appearances
1920
Harford, Maryland
Daughter, age 12
Harford, Maryland · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Harford, Maryland
Daughter, age 22
Harford, Maryland · implied b. ~1908 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Harford-County, Maryland
Daughter, age 31
Harford-County, Maryland · implied b. ~1909 — 4 household members
| Surname | Cooper |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Divorced |
| Birthplace | Maryland |
| 1935 Residence (City) | Marshall |
| 1935 Residence (County) | Harford |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | PW |
| Income (1939) | 791 |
| Highest Grade | Hs 3 |
| 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 Helen Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edwin Cooper (~0.92 confidence) and father John Rutledge (~0.92 confidence) and father Lewis Cooper (~0.92 confidence) and mother Anna Rutledge (~0.92 confidence) and mother Rosa Cooper (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edwin Cooper
b. ~1888
Source father
● Household
· direct · ~0.92
Father
John Rutledge
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Lewis Cooper
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Anna Rutledge
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Rosa Cooper
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Cooper
Daughter · 1940 · age 31 · b. ~1909 · Maryland
★ You are viewing this record
Sibling
Stanley Rutledge
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Harford-County, Maryland
Open full size
1940 US Federal Census — Harford-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01551-00622)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edna Crouse | 17 | Daughter | Housekeeper | W. Virginia |
| 42 | Cline Crouse | 15 | Daughter | — | W. Virginia |
| 43 | Junior H. Crouse | 15 | Son | — | W. Virginia |
| 44 | Madeline Crouse | 3 | Daughter | — | Maryland |
| 45 | Max Van Green | 25 | Head | Farmer | W. Virginia |
| 46 | Elizabeth Van Green | 28 | Wife | — | Maryland |
| 47 | Richard Van Green | 2 | Son | — | Maryland |
| 48 | Donald Van Green | 1 | Son | — | Maryland |
| 49 | A. M. Simmons | 73 | Head | Farmer | W. Virginia |
| 50 | Joanna Simmons | 64 | Wife | — | W. Virginia |
| 51 | Idella Simmons | 25 | Daughter | — | W. Virginia |
| 52 | J. F. Helmendollar | 58 | Head | Farm Laborer | W. Virginia |
| 53 | Carrie Helmendollar | 43 | Daughter | — | Virginia |
| 54 | Willard Morrison | 23 | Laborer | Farm Laborer | W. Virginia |
| 55 | Clifton Simmons | 34 | Son | Truck Driver | W. Virginia |
| 56 | Nellie Simmons | 25 | Daughter-in-law | — | Virginia |
| 57 | Reed Simmons | 7 | Son | — | Maryland |
| 58 | Wiley De Board | 54 | Head | Farmer | N. Carolina |
| 59 | Elizabeth De Board | 53 | Wife | — | N. Carolina |
| 60 | Hazel De Board | 32 | Daughter | — | N. Carolina |
| 61 | William Moore | 31 | Head | Helper On Milk Truck | N. Carolina |
| 62 | Nora Moore | 29 | Wife | — | Maryland |
| 63 | Margaret Moore | 9 | Daughter | — | Maryland |
| 64 | William Jr. Moore | 7 | Son | — | Maryland |
| 65 | Robert Moore | 3 | Son | — | Maryland |
| 66 | Hugh J. Poe | 36 | Head | Farmer | Virginia |
| 67 | Lillia Poe | 34 | Wife | — | Maryland |
| 68 | Eugene Poe | 12 | Son | — | Maryland |
| 69 | Franklin Poe | 9 | Son | — | Maryland |
| 70 | Beaula Poe | 7 | Daughter | — | Maryland |
| 71 | John G. Rutledge | 65 | Head | Farmer | Maryland |
| 72 | Anna Rutledge | 69 | Wife | — | Maryland |
| 73 | Stanley Rutledge | 34 | Son | Farm Laborer | Maryland |
| 74 | Helen Cooper THIS PERSON | 31 | Daughter | Teacher | Maryland |
| 75 | James A. Phillips | 36 | Head | Farm Laborer | Maryland |
| 76 | Lucile Phillips | 36 | Wife | — | Maryland |
| 77 | Arch Jr. Phillips | 9 | Son | — | Maryland |
| 78 | Jane Phillips | 5 | Daughter | — | Maryland |
| 79 | Arnold Walstrum | 31 | Laborer | Farm Laborer | Maryland |
| 80 | Andrew Brecker | 36 | Head | Merchant | Maryland |
Related Census Records
Pedigree Summary
Helen + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)