MC
Margaret Carroll — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Margaret Carroll across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Nelson & Lena — first a spouse (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Carroll |
| Given Name | Margaret R. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Industry | 0 |
| Class of Worker | No |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Lawrence 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Charles Carroll | Son | — | 2 | ~1938 |
| Margaret Carroll | Spouse | — | 24 | ~1916 |
| Charles Carroll | Head | — | 31 | ~1909 |
Census Appearances
1920
Essex, Massachusetts
Daughter, age 3
Essex, Massachusetts · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | Margaret M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Daughter, age 13
Essex, Massachusetts · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | Margaret E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Spouse, age 24
Essex-County, Massachusetts · implied b. ~1916 — 3 household members
| Surname | Carroll |
| Given Name | Margaret R. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence |
| 1935 Residence (County) | Essex |
| Industry | 0 |
| Class of Worker | No |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Nelson Larson (~0.92 confidence) and mother Lena Larson (~0.92 confidence) and father Edward Carroll (~0.92 confidence) and mother Emma Carroll (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nelson Larson
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Lena Larson
b. ~1863
Source mother
● Household
· direct · ~0.92
Father
Edward Carroll
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Emma Carroll
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Carroll
Spouse · 1940 · age 24 · b. ~1916 · Massachusetts
★ 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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01582-00660)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Julius L. Finck | 48 | Head | Weaver | France |
| 2 | Madeleine Finck | 44 | Wife | — | Germany |
| 3 | Ruth Finck | 16 | Daughter | — | Massachusetts |
| 4 | Clarice Finck | 10 | Daughter | — | Massachusetts |
| 5 | Joseph P. Hennessy | 53 | Head | Laborer | Massachusetts |
| 6 | Emma B. Hennessy | 51 | Wife | — | Massachusetts |
| 7 | M. Gertrude Hennessy | 20 | Daughter | Cook | Massachusetts |
| 8 | Irene E. Hennessy | 18 | Daughter | New Worker | Massachusetts |
| 9 | Claire J. Hennessy | 17 | Daughter | — | Massachusetts |
| 10 | Joseph R. Hennessy | 14 | Son | — | Massachusetts |
| 11 | Phyllis B. Hennessy | 10 | Daughter | — | Massachusetts |
| 12 | Ciro Cricchio | 38 | Head | Presser | Italy |
| 13 | Josephine Cricchio | 31 | Wife | — | Massachusetts |
| 14 | Lucille L. Cricchio | 6 | Daughter | — | Massachusetts |
| 15 | Jacqueline A. Cricchio | 4 | Daughter | — | Massachusetts |
| 16 | Oscar F. Schmidt | 45 | Head | Section Hand | Massachusetts |
| 17 | Theodora Schmidt | 41 | Wife | Finisher | Texas |
| 18 | Raymond G. Schmidt | 16 | Son | — | Massachusetts |
| 19 | Raymond G. Metzner | 38 | Head | Steamfitter | Massachusetts |
| 20 | Elsie B. Metzner | 40 | Wife | Mender | Massachusetts |
| 21 | Katie A. Schmidt | 67 | Mother in law | — | Germany |
| 22 | Samuel F. Stuatrito | 40 | Head | Grindsman | Italy |
| 23 | Susan M. Stuatrito | 32 | Wife | — | Canada-English |
| 24 | Samuel Andrews | 72 | Head | Millwright | England |
| 25 | Sarah Andrews | 74 | Wife | — | England |
| 26 | Charles A. Carroll | 31 | Head | Foreman | Massachusetts |
| 27 | Margaret R. Carroll THIS PERSON | 24 | Wife | — | Massachusetts |
| 28 | Charles A. Jr. Carroll | 2 | Son | No | Massachusetts |
| 29 | Peter J. Clarke | 29 | Head | Production Clerk | Massachusetts |
| 30 | Helen A. Clarke | 27 | Wife | Jack-Warper | Massachusetts |
| 31 | Michael X. Pauk | 61 | Head | Gabbage Coll. | Poland |
| 32 | Katherine Pauk | 54 | Wife | — | Poland |
| 33 | John J. Pauk | 33 | Son | Shoeworker | Massachusetts |
| 34 | Theodore F. Pauk | 28 | Son | Compositor | Massachusetts |
| 35 | Josephine Pauk | 25 | Daughter | Packer | Massachusetts |
| 36 | Florence T. Pauk | 18 | Daughter | — | Massachusetts |
| 37 | Bertha M. Pauk | 14 | Daughter | — | Massachusetts |
| 38 | Ellen Mccarthy | 61 | Head | — | Massachusetts |
| 39 | Irene Mcmahon | 34 | Daughter | Mending | Massachusetts |
| 40 | William J. Mccarthy | 54 | Head | Chauffeur | Massachusetts |
Pedigree Summary
Margaret
Gen 1 · 4 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)