JH
James Harmon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this James Harmon across the 1910, 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1876), then head of a 4-person household.
Age 64
b. ~1876
Male
Head
Born: Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Harmon |
| Given Name | James R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Special Clerk |
| Industry | Post Office |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2300 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Special Clerk |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1876 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Mercedes Harmon | Daughter | — | 28 | ~1912 |
| Sadie Harmon | Spouse | — | 58 | ~1882 |
| Anna Harmon | Daughter | — | 25 | ~1915 |
| James Harmon | Head | — | 64 | ~1876 |
Census Appearances
1910
Cook, Illinois
Other, age 34
Cook, Illinois · implied b. ~1876 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harmon |
| Given Name | James R |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | Mulatto |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Clerk |
| Industry | Post Office |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1920
Cook, Illinois
Head, age 43
Cook, Illinois · implied b. ~1877 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harmon |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Clerk |
| Industry | Post Office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
Cook, Illinois
Head, age 54
Cook, Illinois · implied b. ~1876 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harmon |
| Given Name | James R |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 35 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Clerk |
| Industry | Post-office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Radio Set | R |
| Veteran | Sp |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Cook-County, Illinois
Head, age 64
Cook-County, Illinois · implied b. ~1876 — 4 household members
| Surname | Harmon |
| Given Name | James R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Special Clerk |
| Industry | Post Office |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2300 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 James Harmon across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Harmon
Head · 1940 · age 64 · b. ~1876 · Illinois
★ 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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00925-00693)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eva Doris | 38 | Lodger | Seamstress | Georgia |
| 2 | Eleanor Williams | 55 | Head | Maid | Louisiana |
| 3 | James Black | 40 | Lodger | Machinist | South Carolina |
| 4 | Albert Boatwright | 42 | Lodger | Laboratory Assistant | Georgia |
| 5 | Joseph Burton | 40 | Lodger | Janitor | Louisiana |
| 6 | Ray Walker | 29 | Lodger | Machinist | Indiana |
| 7 | Adela Brownlee | 32 | Lodger | Maid | Kansas |
| 8 | Lewis H. Piper | 59 | Head | Messenger | Louisiana |
| 9 | Susie Piper | 57 | Wife | — | Alabama |
| 10 | Harriette Craig | 48 | Lodger | Laundress | Alabama |
| 11 | Anne Hanley | 50 | Lodger | Maid | Kentucky |
| 12 | Leonetta Williams | 30 | Lodger | — | — |
| 13 | Mary E. Mason | 76 | Head | — | Louisiana |
| 14 | Mama Higgins | 45 | Daughter | Case Work | Georgia |
| 15 | William Higgins | 15 | Grandson | — | Illinois |
| 16 | Miriam Higgins | 19 | Granddaughter | — | Illinois |
| 17 | Percy Deames | 37 | Head | Utility Man | Mississippi |
| 18 | Willie B. Deames | 32 | Wife | Housekeeper | Mississippi |
| 19 | Jesse Peacher | 39 | Lodger | Stoker | Tennessee |
| 20 | Louise Peacher | 39 | Lodger's Wife | Finisher | Tennessee |
| 21 | Louise Peacher | 27 | Lodger's Daughter | Maid | Kentucky |
| 22 | Samuel Franklin | 48 | Lodger | Laborer | Mississippi |
| 23 | Bud Ware | 23 | Lodger | — | — |
| 24 | Lulu Ware | 35 | Lodger's Wife | — | — |
| 25 | Lulu Brown | 49 | Head | — | — |
| 26 | Rufus Smith | 18 | Lodger | — | Arkansas |
| 27 | Mary Pasley | 38 | Lodger | — | Arkansas |
| 28 | Ora Belle Francis | 27 | Lodger | Floor Girl | Georgia |
| 29 | Alice Gibbs | 31 | Lodger | Box Maker | Mississippi |
| 30 | Lottie Alsop | 29 | Head | Power Machine Operator | Georgia |
| 31 | Leroy Alsop | 12 | Son | — | Illinois |
| 32 | George Alsop | 11 | Son | — | Illinois |
| 33 | James R. Harmon THIS PERSON | 64 | Head | Special Clerk | Virginia |
| 34 | Sadie Harmon | 58 | Wife | — | Tennessee |
| 35 | Mercedes Harmon | 28 | Daughter | Social Worker | Illinois |
| 36 | Anna Harmon | 25 | Daughter | School Teacher | Illinois |
| 37 | Leonard Perry | 53 | Head | Porter | Texas |
| 38 | Bertha Perry | 49 | Wife | — | Tennessee |
| 39 | Robert Henderson | 28 | Son-in-law | Waiter | Mississippi |
| 40 | Anne Henderson | 24 | Daughter | — | Illinois |
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)