1910 US Census, Oak Park, Cook, IL Kendall, Arthur J., age 42, marr=4, lawyer Kendall, Mabel M., age 31 Kendall, Dorothy, age 2 Kendall, Abby J (mother), age 82, widowed Kendall, Winthrop R (brother), age 50
Birth certificate for son Ernest Dorrance Kendall in 1910 gives father's name as "Arthur Jay Kendall", age 42, birthplace left blank; mother's name as "Mabel Dorrance Mctwiggan", age 38, born East Providence, RI.