MH
Mary Holmes — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mary Holmes across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 3-person household.
Age 53
b. ~1887
Female
Spouse
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Holmes |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Chicago |
| Est. Birth Year | ~1887 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Molly Holmes | Daughter | — | 23 | ~1917 |
| Thomas Holmes | Head | — | 52 | ~1888 |
| Mary Holmes | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Cook, Illinois
Spouse, age 34
Cook, Illinois · implied b. ~1886 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Holme |
| Given Name | Mary G M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1914 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Cook, Illinois
Spouse, age 43
Cook, Illinois · implied b. ~1887 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Holmes |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Alien |
| Year of Immigration | 1926 |
| Age at First Marriage | 20 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Veteran | No |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Cook-County, Illinois
Spouse, age 53
Cook-County, Illinois · implied b. ~1887 — 3 household members
| Surname | Holmes |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Mary Holmes across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Holmes
Spouse · 1940 · age 53 · b. ~1887 · 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
39 people indexed on this census page (nara:1940:m-t0627-00955-00419)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Doris Lussman | 31 | Daughter | Teacher | Louisiana |
| 2 | Clara Unluck | 50 | Lodger | Clerk | Missouri |
| 3 | Hattie Baker | 70 | Head | — | Iowa |
| 4 | Harrison Baker | 46 | Son | Religious Article | Illinois |
| 5 | Clara W. Baker | 39 | Daughter-in-law | Saleswoman | Wisconsin |
| 6 | Thomas Holmes | 52 | Head | Mechanic | Scotland |
| 7 | Mary Holmes THIS PERSON | 53 | Wife | — | Scotland |
| 8 | Molly Holmes | 23 | Daughter | — | Scotland |
| 9 | Arthur Claxon | 59 | Head | Photographer | Ohio |
| 10 | Mabel Claxon | 57 | Wife | — | Pennsylvania |
| 11 | John D. Spraddle | 74 | Head | Carpenter | Ohio |
| 12 | Etta Spraddle | 47 | Wife | — | Ohio |
| 13 | Ethel Spraddle | 21 | Daughter | Clerical | Ohio |
| 14 | Glenn Spraddle | 16 | Son | — | Ohio |
| 15 | Walter Malone | 49 | Head | Switchman | Illinois |
| 16 | Lucille Malone | 44 | Wife | — | Illinois |
| 17 | Maxine Malone | 20 | Daughter | Comptometer Operator | Illinois |
| 18 | Walter Malone | 18 | Son | — | Illinois |
| 19 | John Werny | 54 | Head | Electrotyper | Indiana |
| 20 | Anna Werny | 51 | Wife | — | Wisconsin |
| 21 | Clifford Le Duc | 48 | Head | Clergyman | California |
| 22 | Jersey Gertrude Le Duc | 49 | Maid | House Keeper | Ohio |
| 23 | Sterling Le Duc | 51 | Houseman | Janitor | Tennessee |
| 24 | Joseph Williams | 26 | Head | Electrician | Illinois |
| 25 | Julia Williams | 29 | Sister | Telephone Operator | Illinois |
| 26 | Margaret Williams | 22 | Sister | — | Illinois |
| 27 | Marie Wilson | 24 | Sister | Waitress | Illinois |
| 28 | Elaine Wilson | 5 | Niece | — | Illinois |
| 29 | Joan Wilson | 3 | Niece | — | Illinois |
| 30 | Mary L. Coffey | 57 | Head | Supervisor | Illinois |
| 31 | Tillie Coffey | 49 | Wife | — | Illinois |
| 32 | Edward Hendry | 39 | Head | Salesman | Kansas |
| 33 | Kathryn Hendry | 39 | Wife | — | Kansas |
| 34 | John Hendry | 15 | Son | — | Illinois |
| 35 | William Hendry | 13 | Son | — | Illinois |
| 36 | Vance Hendry | 10 | Son | — | Illinois |
| 37 | Muriel Hendry | 4 | Daughter | — | Illinois |
| 38 | Pet. Alix | 46 | Head | Salesman | Greece |
| 39 | Julia Alix | 40 | Wife | — | Greece |
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)