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Louise Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Monroe-County, New York
Our Model Tree links this Louise Thomas across the 1920, 1930 and 1940 US Censuses in Monroe-County, New York (XGBoost, ~Confirmed), with identified parents Edward & Rena — first a daughter (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Monroe-County, New York |
| Surname | Thomas |
| Given Name | Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Rochester |
| 1935 Residence (County) | Monroe |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | GW |
| Income (1939) | 1200 |
| Highest Grade | C 3 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Teacher |
| Township / Ward | Rochester |
| Est. Birth Year | ~1915 |
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 Louise | Age | Birth yr |
|---|---|---|---|---|
| Rena Thomas | Spouse | — | 50 | ~1890 |
| Louise Thomas | Daughter | — | 25 | ~1915 |
| Edward Thomas | Head | — | 53 | ~1887 |
Census Appearances
1920
Monroe, New …
Daughter, age 5
Monroe, New York · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Mother Tongue | English |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Monroe, New …
Daughter, age 15
Monroe, New York · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Monroe-County, New …
Daughter, age 25
Monroe-County, New York · implied b. ~1915 — 3 household members
| Surname | Thomas |
| Given Name | Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Rochester |
| 1935 Residence (County) | Monroe |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | GW |
| Income (1939) | 1200 |
| Highest Grade | C 3 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Louise Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Thomas (~0.92 confidence) and mother Rena Thomas (~0.92 confidence) and father Edwin Thomas (~0.92 confidence) and father Arthur Thomas (~0.92 confidence) and mother Rena Thomas (~0.92 confidence) and mother Rena Thomas (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Thomas
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Rena Thomas
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
Edwin Thomas
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Arthur Thomas
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Rena Thomas
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Rena Thomas
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Louise Thomas
Daughter · 1940 · age 25 · b. ~1915 · New York
★ 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 — Monroe-County, New York
Open full size
1940 US Federal Census — Monroe-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02844-00390)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John H. Helleby | 67 | Head | Purser | England |
| 2 | Francis Helleby | 67 | Wife | Proof Reader | England |
| 3 | Helen Helleby | 33 | Daughter | Secretary | England |
| 4 | John Helleby | 24 | Son | Electrical Eng | Canada |
| 5 | D-Jane Wall | 70 | Sister in law | — | England |
| 6 | Henrietta Leffler | 47 | Head | — | New York |
| 7 | Bertha Leffler | 53 | Sister | Stenographer | New York |
| 8 | May Leffler | 48 | Sister | House Keeper | New York |
| 9 | Raymond Leffler | 42 | Brother | Inst Maker | New York |
| 10 | Archibald Mcewen | 56 | Head | Paper Maker | New York |
| 11 | Margaret Mcewen | 56 | Wife | — | New York |
| 12 | Edward Thomas | 53 | Head | Teacher | New York |
| 13 | Rena Thomas | 50 | Wife | — | New York |
| 14 | Louise Thomas THIS PERSON | 25 | Daughter | Teacher | New York |
| 15 | George Kelley | 42 | Head | Steel Worker | New York |
| 16 | Dorothy Kelley | 44 | Wife | — | New York |
| 17 | Joseph Plates | 30 | Head | Welder | Pennsylvania |
| 18 | Mildred Plates | 31 | Wife | — | Pennsylvania |
| 19 | James Plates | 7 | Son | — | Pennsylvania |
| 20 | Margaret Plates | 5 | Daughter | — | New York |
| 21 | John Plates | 4 | Son | — | New York |
| 22 | Thomas Plates | 2 | Son | — | New York |
| 23 | Walter Bentham | 54 | Head | Machinist | New York |
| 24 | Lillian Bentham | 43 | Wife | — | New York |
| 25 | Lloyd Bentham | 21 | Son | Mach. Helper | New York |
| 26 | Donald Bentham | 19 | Son | Lawyer | New York |
| 27 | June Bentham | 12 | Daughter | — | New York |
| 28 | Harold Warren | 31 | Head | Lawyer | Michigan |
| 29 | Mary Louise Warren | 1 | Daughter | — | Michigan |
| 30 | Estelle Warren | 38 | Wife | — | Michigan |
| 31 | Arthur Reeves | 42 | Head | Heating Engineer | New York |
| 32 | Florence Reeves | 43 | Wife | — | New York |
| 33 | Robinson Reeves | 17 | Son | — | New York |
| 34 | Herbert Reeves | 13 | Son | — | New York |
| 35 | Leigh Reeves | 10 | Son | — | New York |
| 36 | Marcel Reeves | 6 | Son | — | New York |
| 37 | George Day | 69 | Head | Mech Eng. | Massachusetts |
| 38 | Gertie Day | 50 | Wife | — | New York |
| 39 | Larretta Webber | 50 | Boarder | — | New York |
| 40 | Mae Webber | 30 | Boarder | — | New York |
Pedigree Summary
Louise
Gen 1 · 6 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)