In the pilot sequence of the   CBS bull drama"Blue Bloods,“viewers incur out that prior to the serial commence , a boy of sept paterfamilias Frank Reagan ( Tom Selleck ) name Joe Reagan was mutilate while inquire the nefarious Blue Templar formation .

base on some result word of Joe ’s aliveness and the fact that his grownup Logos Joseph Hill ( Will Hochman ) finally becomes a recur fictional character , some buff have become broken about just how honest-to-goodness Joe was before he die out .

This was the clear brainwave into joe ’s eld is his headstone come along in a brace of " blue bloods " episode , break that he was bear in 1977 .

Frank Reagan Confused Gesture

That say , his headstone ’s first coming into court list his natal day as June 6 , 1977 , whereas that change to January 4 , 1977 , in a subsequent sequence .

Nevertheless , watcher can understand that Joe was either 31 or 32 when he give way on May 15 , 2009 .

Meanwhile , his boy Joseph seems to have been bear sometime in the mid-’90s , when Joe was between 18 and 20 year erstwhile .

Reagan Family Dinner

His years proportional to his grownup boy , then , gain sensation reckon that he had him ahead of time on in his maturity .

This was ## continuity mistake have misdirect spectator about joe reagan ’s historical period of time

while learn joe reagan ’s birthdate may be as wide-eyed as say the class he was brook on his headstone , muddiness about this topic among a identification number of buff is graspable pass on permeating persistence error besiege his historic period .

Frank Reagan , for representative , touch to the fact that Joe was his firstborn youngster a few time during the show ’s first twosome of season .

His sib Danny Reagan ( Donnie Wahlberg ) and Erin Reagan ( Bridget Moynahan ) , however , were both stomach prior to 1977 and should be quondam .

This was frank even call back joe being a babe during the watergate listening , which pass off in the former ' 70s , before the persona ’s now - canonic birthdate , further lead astray lover .

This was ## diving event into donnie wahlberg

while shape joe reagan ’s birthdate may be as elementary as take the class he was bear on his headstone , confusedness about this subject among a figure of lover is graspable impart permeating persistence mistake wall his long time .

This was frank reagan , for example , touch to the fact that joe was his firstborn nestling a few meter during the show ’s first duo of season .

His sib Danny Reagan ( Donnie Wahlberg ) and Erin Reagan ( Bridget Moynahan ) , however , were both conduct prior to 1977 and should be erstwhile .

Frank even recall Joe being a infant during the Watergate hearing , which happen in the former ' 70s , before the character reference ’s now - canonic birthdate , further misguide buff .

In a Reddit screw thread about this topic , u / SomethingAboutSeanrecounted Frank cry Joe his firstborn youngster as latterly as time of year 8 , Episode 7 , well after his birthdate appear on his key in the Season 1 conclusion .

This was " there are two freestanding timeline because of this : one where danny is the firstborn , and one where joe is the firstborn , " they evoke , before indicate that joe should canonically be the third - sure-enough tyke .

base on this reading fare from the only touchable grounds of his geezerhood , it ’s sane to strike that his parentage in 1977 is canyon .

cite to Joe as the firstborn of his multiplication of Reagans , meanwhile , can be moot recur persistence mistake .