MC
Mary Cochran — 1920 US Census Record
Model Tree available1920 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Mary Cochran across the 1910, 1920 and 1930 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed), with identified parents Annie & William — first a daughter (b.~1886), then head of a 3-person household.
Age 34
b. ~1886
Female
Daughter
Born: Maryland
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Baltimore, Maryland |
| Surname | Cochran |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore |
| Est. Birth Year | ~1886 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Irene Cochran | Daughter | — | 32 | ~1888 |
| Mary Cochran | Daughter | — | 34 | ~1886 |
| William Cochran | Head | — | 63 | ~1857 |
Census Appearances
1910
Baltimore, Maryland
Daughter, age 24
Baltimore, Maryland · implied b. ~1886 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cochran |
| Given Name | Mollie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Maryland |
| Years Married | 1 |
| Children Born | 0 |
| Children Living | 0 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Presser |
| Industry | Shirt Factory |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Baltimore, Maryland
Daughter, age 34
Baltimore, Maryland · implied b. ~1886 — 3 household members
| Surname | Cochran |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Other, age 44
Baltimore, Maryland · implied b. ~1886 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cochran |
| Given Name | May |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Cochran across 3 US Census years (1910, 1920 and 1930) in Baltimore, Maryland, using XGBoost record linkage. Identified parents: mother Annie Myers (~0.92 confidence) and father William Cochran (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Annie Myers
b. ~1845
Source mother
● Household
· direct · ~0.92
Father
William Cochran
b. ~1857
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Cochran
Daughter · 1920 · age 34 · b. ~1886 · Maryland
★ You are viewing this record
Sibling
Irene Cochran
Sibling · 1920 · age 32
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
1920 US Federal Census — Baltimore, Maryland
Open full size
1920 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu662unit:0618)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Dungan | 45 | Head | — | Maryland |
| 2 | Robert F. Dungan | 46 | Son | Engineer | Pennsylvania |
| 3 | Nellie Dungan | 40 | Wife | — | Pennsylvania |
| 4 | Francis M. Dungan | 15 | Son | — | Maryland |
| 5 | Clarence E. Galloway | 47 | Head | Salesman | Maryland |
| 6 | Janet G. Galloway | 38 | Wife | — | Maryland |
| 7 | Helen G. Galloway | 13 | Daughter | — | Maryland |
| 8 | James G. Galloway | 9 | Son | — | Maryland |
| 9 | Ellen Hamilton | 50 | Head | — | Ireland |
| 10 | Margaret P. Hamilton | 57 | Sister | Bookkeeper | Ireland |
| 11 | Thomas J. Larkin | 40 | Head | Bookkeeper | Maryland |
| 12 | Ellen G. Larkin | 31 | Wife | — | Maryland |
| 13 | Bridget Larkin | 72 | Mother | — | Ireland |
| 14 | Mary A. Larkin | 43 | Sister | Teacher | Maryland |
| 15 | William H. Watson | 50 | Head | Lawyer | Maryland |
| 16 | Amelia A. Watson | 40 | Wife | — | Maryland |
| 17 | Carl E. Moessbauer | 26 | Head | Accountant | Maryland |
| 18 | Ella L. Moessbauer | 26 | Wife | — | Maryland |
| 19 | Elizabeth Moessbauer | 1 | Daughter | — | Maryland |
| 20 | Fred A. Cheen | 36 | Head | Asst Manager | Maryland |
| 21 | Rita G. Cheen | 36 | Wife | — | Maryland |
| 22 | Eugene B. Peak | 68 | Father-in-law | — | Maryland |
| 23 | Irene Peak | 37 | Sister-in-law | Clerk | Maryland |
| 24 | Eugenia G. Peak | 30 | Sister-in-law | Milliner | Maryland |
| 25 | Mathias F. Leimkuhler | 33 | Head | Stationer | Maryland |
| 26 | Mabel A. Leimkuhler | 33 | Wife | — | Maryland |
| 27 | Evaline E. Leimkuhler | 5 | Son | — | Maryland |
| 28 | Mary M. Leimkuhler | 2 | Daughter | — | Maryland |
| 29 | John B. Dougherty | 46 | Boarder | Clerk | Maryland |
| 30 | Katherine B. Dougherty | 18 | Boarder | Clerk | Maryland |
| 31 | George P. Lee | 42 | Head | Salesman | Maryland |
| 32 | Mary P. Lee | 39 | Wife | — | Maryland |
| 33 | Anna J. Lee | 13 | Daughter | — | Maryland |
| 34 | Mary K. Lee | 12 | Daughter | — | Maryland |
| 35 | Charles H. Taylor | 71 | Father-in-law | Watchman | New York |
| 36 | Mary E. Taylor | 69 | Mother-in-law | — | Maryland |
| 37 | Charles Phillips | 44 | Head | Tool Maker | Maryland |
| 38 | Ida Phillips | 31 | Wife | — | Maryland |
| 39 | Dorothy A. Phillips | 12 | Daughter | — | Maryland |
| 40 | James W. Spencer | 37 | Head | Clerk | Maryland |
| 41 | Pamela M. Spencer | 34 | Wife | — | Maryland |
| 42 | Mario J. Spencer | 8 | Son | — | Maryland |
| 43 | Charles A. Reed | 47 | Head | Auditor | Maryland |
| 44 | Mary M. Reed | 42 | Wife | — | Maryland |
| 45 | Alice V. Reed | 21 | Daughter | Clerk | Maryland |
| 46 | Alonzo V. Maddox | 38 | Boarder | Auditor | Oklahoma |
| 47 | Daniel T. Hollis | 24 | Boarder | Stenographer | New York |
| 48 | William A. Cochran | 63 | Head | — | Maryland |
| 49 | Mary A. Cochran THIS PERSON | 34 | Daughter | — | Maryland |
| 50 | Irene M. Cochran | 32 | Daughter | Clerk | Maryland |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)