The names of the children of Peter & Mary seem to have been changed as they grew older. In 1900 there is a son listed as "Migron", born March, 1882. He seems to have later become Marshall.
[Marriage date estimated from age of eldest child in 1920 census.]
Marshall Allen was 37 years old in 1920. Wife was Ethel, age 28, born in AR. Daughter Gertrude 11, son Albert 8, son Virgil 6, and daughter Loverne age 6 months. All the children born in AR. Willie Allen, nephew, was also living with Marshall. His age is probably 19; he was also born in OK. This would be the son of Charles Henry Allen. Canadian Twp, Pittsburg Co, OK
Marshall ALLEN and Ethel [ALLEN] were married about 1908. Ethel [ALLEN] was born in 1892 in Arkansas.59
Marshall ALLEN and Ethel [ALLEN] had the following children: