Chrissy was born in Fresno, the eldest child of Reverend Luther Snow (Peter Mark Richman) and his wife. In one episode, she explains that she was named Christmas because her father was a big fan of Bing Crosby. In another episode, she states that her name is Christmas due to having been born in December. However, in Roper's Niece , Janet states that Chrissy's birth was not until January . Yet, in another episode, (Season 4, Ep 9: Chrissy's Hospitality) Chrissy falls and hits her head. She ends up in the hospital and explains to the nurse that her father named her Christmas because she was the best present he ever got .She was born into a very religious family and always loved her family traditions, such as Christmas with all her relatives. Every Sunday the Snow clan would go to church to hear her father preach. She always loved her family and friends, and upon moving to Santa Monica she ensured she would be back.Arrival in Los AngelesAs an adult, Chrissy decided to move to Los Angeles, settling in Santa Monica where she got a job as a typist. She found an apartment, owned and operated by Stanley and Helen Roper, which she would share with two other women, Janet Wood and Eleanor Garvey.In the pilot, a pregnant Eleanor got married in a reception in the apartment, but went into labor just as she was cutting the cake. After Eleanor had her baby and moved away, Janet and Chrissy were left to hunt for a new roommate. In their bathtub, they found a man who was passed out and who upon waking claimed that he was a friend of one of the party guests. They decided to select the man, Jack Tripper, as their new roommate instead of other, less desirable candidates, such as a pompous, nasal voiced woman, Patricia, nicknamed Pattikins . The main reason they wanted Jack was because he was a good cook. This was a talent that the two girls did not posses