Hi Judy, this is not my family, just did some looking for you.I could not find Martha Robb on the 1860 census.I'm sure that James and Wesley are the same person, Harriett's brother.
It looks like after the death of Harriett's husband, she returned to Marion Co., IL.
Hope this will help you.
ancestry.com, U.S. General Land Office Records, 1796-1907 Name State of Record Issue Date Meridian County Township Range Section Eli Robb Illinois10 Oct 1840 3rd PMMarion4-N3-E10 Eli Robb Illinois15 Sep 1854 3rd PMMarion4-N3-E9 Eli Robb Illinois1 Mar 1855 3rd PMMarion4-N3-E9
http://marion.ilgenweb.net/querysept98.htmhttp://marion.ilgenweb.net/querysept98.htm ROBB,WHITESIDE,WHALEY,YOUNG reply to Kay Mills September 1998 James Eli ROBB (s/o Joseph (or Hugh) Eli ROBB and Ann WHITSIDE) & wife, Martha YOUNG ROBB(d/o Henry YOUNG & Sally (Salome) PHEIFFER) came to Marion Co abt 1830 from Maury Co TN-he d. 07 Jul 1854 from cholera epidemic, buried in Marion Co-Martha YOUNG ROBB d. 21 Dec 1888 alo buried in Marion Co.-Mary WHALEY JONES (aka Widow JONES) came to Marion Co-had several children,my line is Samuel Betts JONES m. Mary Anne WRIGHT 20 Sep 1832 in Clinton Co IL-moved to Marion Co where he d. 01 May 1889-Mary Anne d.04 Mar 1893 aboth buried in Sandy Branch Cem Foter Twp, Marion Co.
1850 Marion Co., IL census, District 11, pg 56b, enumerated 10-8-1850 790 810 Eli Robb 44 M Farmer #200 NC Martha 45 F KY John 16 M IL Mary 14 F IL Harriett 12 F IL Jane 10 F IL William 07 M IL Margaret 05 F IL 791 811 James Robb 21 M Farmer $210 IL Christianne 24 F VA Mary 02 F IL Cyrus 2/12 M IL
1860 Marion Co., IL census, Twp., 4, Range 3, Kinmundy PO, pg 66, enumerated 8-18-1860 476 480 J R Dew 33 M $2000 $400 IL Harriet 22 F IL Lucy J 01 F IL G W Bronson 25 M $250 NY Emma 24 F NY
1860 Marion Co., IL census, Twp., 4, Range 3, Kinmundy PO, pg 69, enumerated 8-20-1860 493 497 Wesley Robb 31 M $4000 $1000 IL Christiana 34 F VA Mary E 11 F IL Livis 10 M IL Henry 08 M IL Virginia 06 F IL D Breckinridge 03 M IL Emma 6/12 F IL
Home in 1870: Township 4 Range 3, Marion, Illinois Name: Margaret Robb Estimated Birth Year: abt 1846 Age in 1870: 24 Birthplace: IllinoisRace: White Gender: Female Value of real estate: Post Office: Kinmundy Household Members: Name Age Martha Robb 65 Margaret Robb 24 David E Robb 16
1870 Labette Co., KS census, Richland Twp., Chetopa PO, sheet 10, pg 106b, enumerated 6-2-1870 75 75 Dew John R 42 M W Farmer $400 IL Harriet 32 F W Keeping House IL Lucy J 11 F W IL Charles F 07 M W IL Frank E 02 M W KS John 1/12 M W KS Harrington Charles 23 M W Farmer $1500 Wash State
1880 Marion Co., IL census, Kinmundy Twp., ED 110, sheet 5c, pg 18, enumerated 6-4 & 6-5-1880 37 38 Robb James W W M 51 M Farmer ILTNTN Mary A W F 26 M Wife Keeps House MOBavBav Matty A W F 14 S Daughter Assts in House ILILVA Katy F W F 05 S Daughter At Home ILILMO Addie L W F 03 S Daughter At Home ILILMO Emmit W M 01 S Son At Home ILILMO Garner William W M 25 Servant Farm Hand ILILIL Haney L Albert W M 18 S Farm Hand PAPAPA 38 39 Dew Harriett W F 41 Wd Keeps House ILTNVA Lucy J W F 21 S Daughter Teacher ILILIL Charles F W F 17 S Son Farm Hand ILILIL Frank E W M 12 S Son At Home KSILIL John W W M 10 S Son At Home KSILIL Edman E W M 07 S Son At Home KSILIL Martha V W F 05 S Daughter At Home KSILIL Herbert A W M 03 S Son At Home KSILIL Foster Scott W M 33 S Farm Hand ILGAGA
Home in 1900: Minneapolis Ward 5, Hennepin, Minnesota Name: Harriet Dew Age: 61 Birth Date: Aug 1838 Birthplace: Illinois Race: White Ethnicity: AmericanGender: Female Relationship to head-of-house: Head Father's Birthplace: Tennessee Mother's Birthplace: Tennessee Mother: number of living children: 7 Mother: How many children: 9 Marital Status: Widowed Residence : Minneapolis City, Hennepin, Minnesota Occupation: Household Members: Name Age Harriet Dew 61 Lucy Dew 41 Martha V Dew 25 Herbert Dew 22