IT
Isaac Taylor — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Isaac Taylor across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 9-person household.
Age 11
b. ~1929
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Taylor |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | S 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1929 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Isaac | Age | Birth yr |
|---|---|---|---|---|
| Mildred Taylor | Daughter | — | 16 | ~1924 |
| Monzelle Taylor | Spouse | — | 39 | ~1901 |
| David Taylor | Son | — | 17 | ~1923 |
| Olivia Taylor | Daughter | — | 13 | ~1927 |
| Eugene Taylor | Son | — | 9 | ~1931 |
| George Taylor | Son | — | 7 | ~1933 |
| Buster Taylor | Son | — | 5 | ~1935 |
| Isaac Taylor | Son | — | 11 | ~1929 |
| David Taylor | Head | — | 51 | ~1889 |
Census Appearances
1930
Cook, Illinois
Son, age 1
Cook, Illinois · implied b. ~1929 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Taylor |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Arkansas |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 11
Cook-County, Illinois · implied b. ~1929 — 9 household members
| Surname | Taylor |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Highest Grade | S 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Isaac Taylor across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Isaac Taylor
Son · 1940 · age 11 · b. ~1929 · Illinois
★ You are viewing this record
Sibling
Mildred Taylor
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Taylor
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Olivia Taylor
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Taylor
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Buster Taylor
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Taylor
Sibling · 1940 · age 17
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 — 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-t0627-00923-00696)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jessie Welch | 14 | Son | — | Arkansas |
| 2 | Johnnie M Welch | 12 | Daughter | — | Arkansas |
| 3 | Edna M Welch | 11 | Daughter | — | Arkansas |
| 4 | Lee Welch | 9 | Son | — | Arkansas |
| 5 | Dorothy Welch | 7 | Daughter | — | Illinois |
| 6 | Willie Welch | 5 | Son | — | Illinois |
| 7 | Leon Welch | 3 | Son | — | Illinois |
| 8 | Martha Welch | 1 | Daughter | — | Illinois |
| 9 | Marian Eucle | 52 | Head | Steam Laundry | Alabama |
| 10 | Lula Dukes | 57 | Lodger | — | Alabama |
| 11 | Jacob Et Al Fuels | 71 | Lodger | — | Illinois |
| 12 | Jessie Sinclair | 35 | Head | — | Arkansas |
| 13 | Sarah Sinclair | 15 | Daughter | — | Mississippi |
| 14 | Talara Sinclair | 13 | Daughter | — | Arkansas |
| 15 | Hattie Williams | 45 | Head | — | Mississippi |
| 16 | Lawrence Harrington | 40 | Lodger | — | Texas |
| 17 | Jessie Jones | 45 | Lodger | Laborer | Tennessee |
| 18 | Bert Hing | 60 | Lodger | — | Georgia |
| 19 | Nellie Mason | 34 | Head | Maid | Tennessee |
| 20 | Rosie Bates | 67 | Mother | — | Tennessee |
| 21 | Annie Jackson | 35 | Head | Maid | Alabama |
| 22 | Anita Harris | 37 | Lodger | — | Arkansas |
| 23 | Julia Mcfadden | 42 | Lodger | Saleswoman | Mississippi |
| 24 | William Mountain | 59 | Lodger | — | Kentucky |
| 25 | Frank Hall | 46 | Head | Laborer | Arkansas |
| 26 | Lula Hall | 35 | Wife | — | Alabama |
| 27 | Lollie M Williams | 34 | Lodger | Maid | Tennessee |
| 28 | Robert Randles | 55 | Head | Laborer | Louisiana |
| 29 | Cecelia Randles | 40 | Wife | Cook | Oklahoma |
| 30 | Walter Hawkins | 72 | Lodger | — | Ohio |
| 31 | Syd W Carter | 42 | Lodger | Laborer | Ohio |
| 32 | David Taylor | 51 | Head | Laborer | Mississippi |
| 33 | Monzelle Taylor | 39 | Wife | — | Arkansas |
| 34 | Mildred Taylor | 16 | Daughter | — | Illinois |
| 35 | David Taylor | 17 | Son | — | Illinois |
| 36 | Olivia Taylor | 13 | Daughter | — | Illinois |
| 37 | Isaac Taylor THIS PERSON | 11 | Son | — | Illinois |
| 38 | Eugene Taylor | 9 | Son | — | Illinois |
| 39 | George Taylor | 7 | Son | — | Illinois |
| 40 | Buster Taylor | 5 | Son | — | 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)