MF
Margaret Ferguson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mahaska-County, Iowa
Our Model Tree links this Margaret Ferguson across the 1930 and 1940 US Censuses in Mahaska-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 7-person household.
Age 60
b. ~1880
Female
Head
Born: Scotland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Mahaska-County, Iowa |
| Surname | Ferguson |
| Given Name | Margaret C |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | Scotland |
| 1935 Residence (City) | Tracy Marion |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Iowa |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Oskaloosa City |
| Est. Birth Year | ~1880 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Paul Ferguson | Son | — | 20 | ~1920 |
| William Ferguson | Son | — | 39 | ~1901 |
| Georgia Ferguson | Daughter | — | 22 | ~1918 |
| Margaret Ferguson | Head | — | 60 | ~1880 |
| Daniel Ferguson | Son | — | 15 | ~1925 |
| Russel Ferguson | Son | — | 17 | ~1923 |
| Raymond Ferguson | Son | — | 24 | ~1916 |
Census Appearances
1930
Marion, Iowa
Head, age 50
Marion, Iowa · implied b. ~1880 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ferguson |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1913 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Mother Tongue | Scotch |
| Home Owned/Rented | R |
| Home Value / Rent | $10 |
| Radio Set | R |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Mahaska-County, Iowa
Head, age 60
Mahaska-County, Iowa · implied b. ~1880 — 7 household members
| Surname | Ferguson |
| Given Name | Margaret C |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | Scotland |
| 1935 Residence (City) | Tracy Marion |
| Naturalization Status | Naturalized |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Iowa |
| 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 Margaret Ferguson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Ferguson
Head · 1940 · age 60 · b. ~1880 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Mahaska-County, Iowa
Open full size
1940 US Federal Census — Mahaska-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01180-00389)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ethel Smith | 34 | Wife | — | Iowa |
| 42 | Joseph E Smith | 2 | Son | — | Iowa |
| 43 | Charles L Peterson | 67 | Head | Retired | Sweden |
| 44 | Mary F Peterson | 64 | Wife | — | Iowa |
| 45 | Margaret C Ferguson THIS PERSON | 60 | Head | — | Scotland |
| 46 | William H Ferguson | 39 | Son | Miner | Iowa |
| 47 | Raymond Ferguson | 24 | Son | Laborer | Iowa |
| 48 | Paul Ferguson | 20 | Son | Laborer | Iowa |
| 49 | Russel Ferguson | 17 | Son | — | Iowa |
| 50 | Daniel L Ferguson | 15 | Son | — | Iowa |
| 51 | Georgia Ferguson | 22 | Daughter | Feeble-Minded | Iowa |
| 52 | Herbert W Sargent | 65 | Head | Owner And Operator | Iowa |
| 53 | Vinnie C Sargent | 53 | Wife | — | Iowa |
| 54 | Herbert H Mishler | 20 | Son | Operating Machine | Iowa |
| 55 | Willis H Hatchett | 69 | Head | Electrician | Iowa |
| 56 | Ida M Hatchett | 70 | Wife | — | Illinois |
| 57 | John Wooten | 26 | Son-in-law | Clerk | Iowa |
| 58 | June L Wooten | 24 | Wife | — | Iowa |
| 59 | Judith Wooten | 1 | Daughter | — | Iowa |
| 60 | Jesse A Hay | 76 | Head | — | Illinois |
| 61 | Jennie Hay | 54 | Daughter | Bookkeeper | Illinois |
| 62 | William F Lessman | 50 | Head | Prospector | Iowa |
| 63 | Grace C Lessman | 44 | Wife | — | Iowa |
| 64 | Margaret C Lessman | 19 | Daughter | Maid | Iowa |
| 65 | Jack W Lessman | 18 | Son | — | Iowa |
| 66 | Wilfred C Carlson | 33 | Head | Lineman | Iowa |
| 67 | Marjorie L Carlson | 34 | Wife | — | Iowa |
| 68 | Billy Carlson | 7 | Son | — | Iowa |
| 69 | Franklin D Carlson | 5 | Son | — | Iowa |
| 70 | Eugene W Poor | 72 | Lodger | Retired | Iowa |
| 71 | Ralph Dingledine | 58 | Head | Cabinet Maker | Iowa |
| 72 | Grace Dingledine | 53 | Wife | — | Iowa |
| 73 | Hayward Jr Dingledine | 24 | Son | — | Iowa |
| 74 | Loyal L Kentfield | 38 | Head | Machinist | Iowa |
| 75 | Laura Kentfield | 39 | Wife | — | Iowa |
| 76 | Maxine M Kentfield | 14 | Daughter | — | Iowa |
| 77 | Laura M Kentfield | 11 | Daughter | — | Iowa |
| 78 | Billy E Kentfield | 10 | Son | — | Iowa |
| 79 | Shirley J Kentfield | 4 | Daughter | — | Iowa |
| 80 | Phyllis Kentfield | 3 | Daughter | — | Iowa |
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)