This page describes all of Lynn Loud Sr.'s relationships with his family and friends.
He loves his wife very much and is often hanging out with her.
In "No Guts, No Glori", they went to a restaurant together and both agreed to leave the children under the care of Lori.
In "A Tale of Two Tables", they played with the peas after all the children are gone from the grown-up table.
In "Ties That Bind", Rita wanted Lynn Sr. to get rid of his eleven ties.
In "Chore and Peace", they both agreed to let their children resolve their conflict themselves and they resolved puzzles, while the kids were fighting.
In "Suite and Sour", they wanted to spend weekend alone at a spa resort, which is something they haven't done since 1998. They also went to the hotel pool together naked which got them kicked out of the resort.
In "Lock 'N' Loud", they take ballroom dance classes and Lynn Sr. twirls Rita into a rose bush each time they return home.
In "Potty Mouth", Rita forced Lynn Sr. to change his tie.
In "L is for Love", twenty years prior to when they first met, Rita sent secret admirer letters to him, and by her third letter, she invited him to a British restaurant for their first date. They were both celebrating their anniversary in the same restaurant.
In "A Fridge Too Far", Rita convinced Lynn Sr. that his investor will let him open his own restaurant.
In "Sleuth or Consequences", he and his daughters (expect Lucy) blame Lincoln for clogging the toilet, since his son has a history doing it, but it turns out that Lincoln was innocent of clogging the toilet. Lucy was actually guilty of clogging the toilet, and Lincoln takes the blame for her in order to save her from embarrassment, and as a result his dad grounds him.
In "The Loudest Yard", Lynn Sr. tried to do jogging with Lincoln. He was angry with Lincoln when he discovered that he prefers playing at the arcade. Rita assigned Lincoln to a football team and he asked Lynn Jr. to dress up as him. Lynn Sr. was proud that his son was a football star, but disappointed when he discovered it was false.
In "The Whole Picture", it was revealed that Lynn Sr. taught Lincoln how to ride a bike.
In "No Such Luck", Lynn Sr, his wife, and daughters start to ban him from all of the family activities after Lynn Jr. declares him bad luck for losing her baseball game. Eventually, they kicked Lincoln out of the house, and gave away all his belongings.
In "Fool's Paradise", Lynn Sr. and Lincoln worked together to prank Luan back after she was pranking the rest of their family.
In "Anti-Social", they spend time together by playing Chess.
In "Vantastic Voyage", Lynn Sr. helps Lori with her homework.
In "Garage Banned", Lynn Sr. gets upset when Lori moves into the garage.
In "Anti-Social", Lori taught Lynn Sr. how to text in a correct way. Later on, they fold laundry together.
In "Overnight Success", Lynn Sr. yells at Leni after she causes a power outage.
In "Fed Up", Leni helps him with dinner, and says she has the perfect outfit for the dish they made for dinner.
In "Job Insecurity", it is revealed that Leni wants to get her belly button pierced, but her father forbids it.
In "Health Kicked", they fold shirts together as an exercise.
At the end of "No Spoilers", Leni ruins her father's surprise party.
They don't have many interactions, but they both share a love for music and British culture.
In "Overnight Success", Luna once invited her friends to a house party but Lynn Sr. was kicked out because he was not on the list. He screamed at Luna for this.
In "House Music", he joined the family band, but Luna considered him too embarrassing, so she excluded him for the band. He went into deep depression because of it and returned to normal when Luna apologized and admitted she was wrong from the start. Afterwards, they both received a shock when they met Mick Swagger, and fainted in surprise as a result.
In "Anti-Social", he and Luna have a jam session together after she and her siblings convince him not to be so addicted to his mobile devices.
Lynn Sr. is one of the few people who enjoy Luan's jokes. They both have a similar sense of humor, and enjoy each other's jokes. However, in "April Fools Rules", he couldn't stand Luan's madness during April Fools, and hid himself in fear from her.
In "Vantastic Voyage", Lynn Sr. made Luan walk all the way home from school.
In "Fool's Paradise", Luan made a deal with Lynn Sr. to help her in pranking the rest of the family in exchange for a decade of prank immunity.
In "Anti-Social", Luan spends time with her dad by juggling together to help him get by without the Internet.
They both love sports, and Lynn is also named after her father.
In "Overnight Success", he yells at her after she breaks numerous things around the house.
In "Attention Deficit", he goes outside to play baseball with her.
In "Yes Man", he plays a game of basketball with her, and after making a bet, she makes enough baskets to beat him at the game, and he is left lying on the floor after tripping over the ball.
In "Anti-Social", he plays a game of hockey with her to help him get by without the Internet.
In "Vantastic Voyage", Lucy gives Lynn Sr. pancakes and a slice of pizza.
In "Anti-Social", to help her Dad get by without the Internet, Lucy spends time with him by playing with her tarot cards.
In "Anti-Social", they play Duck, Duck, Goose together, along with Lola.
In "Lincoln Loud: Girl Guru", he reads Lola a bedtime story.
In "Anti-Social", they play Duck, Duck, Goose together, along with Lana.
In "Vantastic Voyage", Lynn Sr. made Lisa wear a saliva shield which she disliked.
In "Health Kicked", Lisa helps Lynn Sr. exercise by teaching him Tai Chi.
In "Making the Grade", it is revealed that she helps him cook dinner.
In "Anti-Social", to help her Dad have fun without the Internet, Lisa spends time with him by building a model molecule.
In "Two Boys and a Baby", Lynn Sr. looks after Lily while the rest of family goes to Aunt Ruth's.
In "Anti-Social", Lily and Lynn Sr. build blocks together.
They first met in "Vantastic Voyage".
In "Friend or Faux?", they were making music together.