MC
Margaret Carroll — 1940 US Census Record
Model Tree available1940 United States Federal Census · Onondaga-County, New York
Our Model Tree links this Margaret Carroll across the 1920, 1930 and 1940 US Censuses in Onondaga-County, New York (XGBoost, ~Confirmed), with identified parents Michael & Anna — first a daughter (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Onondaga-County, New York |
| Surname | Carroll |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Syracuse City |
| 1935 Residence (County) | Onondaga |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 1080 |
| Highest Grade | C-4 |
| 1935 Residence | Same House |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Teacher |
| Township / Ward | Syracuse City |
| Est. Birth Year | ~1916 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Richard Carroll | Son | — | 37 | ~1903 |
| Margaret Carroll | Daughter | — | 24 | ~1916 |
| Anna Carroll | Head | — | 63 | ~1877 |
| Marion Carroll | Daughter | — | 36 | ~1904 |
Census Appearances
1920
Onondaga, New …
Daughter, age 3
Onondaga, New York · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Onondaga, New …
Daughter, age 13
Onondaga, New York · implied b. ~1917 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Onondaga-County, New …
Daughter, age 24
Onondaga-County, New York · implied b. ~1916 — 4 household members
| Surname | Carroll |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Syracuse City |
| 1935 Residence (County) | Onondaga |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 1080 |
| Highest Grade | C-4 |
| 1935 Residence | Same House |
| 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 Margaret Carroll across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Michael Carroll (~0.92 confidence) and mother Anna Carroll (~0.92 confidence) and father Michael Carroll (~0.92 confidence) and mother Margaret Carroll (~0.92 confidence) and mother Margaret Carroll (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Michael Carroll
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Anna Carroll
b. ~1877
Source mother
● Household
· direct · ~0.92
Father
Michael Carroll
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Margaret Carroll
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Margaret Carroll
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Carroll
Daughter · 1940 · age 24 · b. ~1916 · New York
★ You are viewing this record
Sibling
Richard Carroll
Sibling · 1940 · age 37
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Carroll
Sibling · 1940 · age 36
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 — Onondaga-County, New York
Open full size
1940 US Federal Census — Onondaga-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02855-00496)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Katherine Sheehan | 59 | Wife | — | New York |
| 2 | Anna B. Carroll | 63 | Head | — | New York |
| 3 | Margaret Carroll THIS PERSON | 24 | Daughter | Teacher | New York |
| 4 | Richard Carroll | 37 | Son | Salesman | New York |
| 5 | Marion Carroll | 36 | Daughter | Teacher | New York |
| 6 | Elizabeth Corrigan | 86 | Head | Teacher | New York |
| 7 | John R. Corrigan | 54 | Son | — | New York |
| 8 | John D. Dawson | 70 | Head | Custodian | New York |
| 9 | Catherine Dawson | 67 | Wife | — | New York |
| 10 | J. Carl Dawson | 46 | Son | Salesman | New York |
| 11 | Frances Dugan | 47 | Head | — | New York |
| 12 | Rosemary Dugan | 17 | Daughter | — | New York |
| 13 | Robert Dugan | 14 | Son | — | New York |
| 14 | Joseph Thompson | 37 | Head | Electrician | New York |
| 15 | Regina Thompson | 35 | Wife | Bookkeeper | New York |
| 16 | Lottie Boyza | 50 | Head | Maid | Poland |
| 17 | Helen Boyza | 28 | Daughter | Press Operator | New York |
| 18 | Leonard Collum | 46 | Head | Carpenter | Canada English |
| 19 | Mabel Collum | 44 | Wife | Telephone Operator | Canada English |
| 20 | George F. Corning | 25 | Boarder | Dentist | New York |
| 21 | Michael Kane | 58 | Head | Engineer | Irish Free State |
| 22 | Nora Kane | 57 | Wife | — | Irish Free State |
| 23 | James Kane | 19 | Son | — | New York |
| 24 | Mary Kane | 19 | Daughter | — | New York |
| 25 | James Kennedy | 55 | Head | Fireman | New York |
| 26 | Nora Kennedy | 56 | Wife | — | Irish Free State |
| 27 | David Kennedy | 23 | Son | Clerk | New York |
| 28 | Mary Kennedy | 22 | Daughter | Teacher | New York |
| 29 | Catherine Curtain | 31 | Niece | Clerk | New York |
| 30 | Harry Keene | 44 | Head | — | New York |
| 31 | Margaret Keene | 43 | Wife | — | New York |
| 32 | Harry Noonan | 53 | Head | Engineer | Canada English |
| 33 | Margaret Noonan | 52 | Wife | — | New York |
| 34 | William Noonan | 25 | Son | Printer | New York |
| 35 | Virginia Noonan | 21 | Daughter | — | New York |
| 36 | Joseph Cronin | 38 | Head | Painter | Irish Free State |
| 37 | Mary Cronin | 41 | Wife | — | Irish Free State |
| 38 | Mary Cronin | 17 | Daughter | — | Irish Free State |
| 39 | Pauline Cronin | 15 | Daughter | — | Irish Free State |
| 40 | Charles Cronin | 14 | Son | — | Irish Free State |
Pedigree Summary
Margaret + 2 siblings
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)