Hi Loretta, I found Lucy Hamman and family in 1920 living in Bucklecksy, Pittsburg Co., OK.
Their neighbors were Clarence, Sybill and Wilma Brent. Thomas, Ada and Arthur Brent. Chares, Estell & Ada Brent.
John P. Hamman, b. AR, 34, fireman coal co. Lucy, wife, b. OK, 26. Dona, b. OK, 9 Ollie, b. OK, 7. Alice, b. OK, 5. Harvey, b. OK, 2.
A Lucy Jan Brent Hamman b. 16 Sept. 1893, OK died 29 April 1959, Kern Co., CA. Mother's Maiden Name=Logston. Father=Brent. Source: California Death Index 1940-97.
You need a copy of her obituary to find out more about her life. You will find an obituary volunteer at Random Acts Genealogical Kindness. Go to raogk.org, read guidelines, choose California, choose Kern Co. and choose Carl.
OR Contact the Kern County Genealogical Society, rootsweb.ancestry.com/~cakcgs/Look-ups.htm. Successful Searching!